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Fuel Boost Pump Low Pressure Warning Light Systems

MEL 28-03
Qu’est-ce que c’est
Item MEL « Fuel Boost Pump Low Pressure Warning Light Systems » (ATA 28-03) du système carburant sur Boeing 737-800 NG (flotte Air Inuit). Cette page est une aide équipage. Le MEL officiel AILO-0903 fait toujours foi pour le dispatch.
Item MEL
ATA 28-03 — Fuel Boost Pump Low Pressure Warning Light Systems.
Catégorie(s) : C.
Rappel délais : C — 10 jours calendaires.

Source PDF · AILO-0903 Amdt 5 · 2026-01-08. Colonnes : CAT · 2. NUMBER INSTALLED · 3. NUMBER REQUIRED FOR DISPATCH · 4. REMARKS OR EXCEPTIONS. En-tête item : Amdt Original · 2024-05-31.

28-03 — Fuel Boost Pump Low Pressure Warning Light Systems
CAT — · installé — · requis dispatch —
28-03-01 — Main Tank Pump (M#)(O) May be inoperative provided: Low Pressure Warning Light Systems
CAT — · installé — · requis dispatch —
a) Associated fuel pump is not used, and b) MASTER CAUTION lights and FUEL system annunciator light are verified to operate normally.
28-03-01-01 — Main Tank Pump Lights
CAT — · installé — · requis dispatch —
28-03-01-01A
CAT C · installé 4 · requis dispatch 3
May be inoperative provided: a) Both pumps in associated tank operate normally, and b) Associated tank quantity indicator operates normally.
28-03-01-01B
CAT C · installé 4 · requis dispatch 3
May be inoperative for an associated inoperative pump.
28-03-02 — Center Tank Pump Low Pressure Warning Light Systems
CAT — · installé — · requis dispatch —
28-03-02A
CAT C · installé 2 · requis dispatch 1
(M)(O) May be inoperative provided: a) Associated fuel pump is not used, and b) MASTER CAUTION lights and FUEL system annunciator light are verified to operate normally.
28-03-02B — Center Tank Fuel Not Required For Flight
CAT C · installé 2 · requis dispatch 0
May be inoperative provided: a) Center tank fuel is not required for flight, b) Center tank fuel boost pumps are turned off, and c) Center tank remains empty or zero fuel weight calculations are adjusted by weight of center tank fuel.
28-03-02-01 — Center Tank Pump Lights
CAT C · installé 2 · requis dispatch 0
(M)(O) May be inoperative provided: a) Center Tank Fuel Quantity Indicator operates normally, and b) MASTER CAUTION lights and FUEL system annunciator light are verified to operate normally.
Explication (français)
Dispatch selon le MEL Air Inuit AILO-0903 (texte extrait du PDF dans l’app). Catégorie(s) de réparation : C — 10 jours calendaires. 9 condition(s) de relief extraite(s) du tableau officiel (installé / requis / remarques). Une procédure (O) opérations s’applique — voir ci-dessous (texte MEL anglais). Une procédure (M#) maintenance (personnel maintenance obligatoire) s’applique avant dispatch — voir ci-dessous. Les switch names, notes et chiffres ci-dessous sont ceux du MEL. Ne pas ajouter d’étape qui n’y figure pas.
Procédure équipage — (O) / (M) / placard

1. Confirmer l’item, la catégorie et le nombre requis dans le MEL officiel (lien PDF).

2. Appliquer les procédures (O) et/ou (M) du MEL avant dispatch — texte officiel ci-dessous.

3. Placard (texte MEL) :

Apply sticker adjacent to affected Fuel Boost Pump Low Pressure Warning Light.

4. Journey log / other instructions (texte MEL) :

Print the following information in the journey log sheet. ________ FUEL BOOST PUMP LOW PRESSURE WARNING LIGHT INOP

5. Respecter toutes les restrictions du MEL — ne pas en inventer.

(O) OPERATIONS PROCEDURES — texte MEL :

28-03-01 Main Tank Pump Low Pressure Warning Light Systems Observe MEL item 28-1 REMARKS OR EXCEPTIONS requirements and the Operational requirements when dispatching with a fuel boost pump low pressure warning system inoperative and the associated fuel pump is not used. 28-03-02A Center Tank Fuel Usable Observe MEL item 28-2 REMARKS OR EXCEPTIONS requirements and the Operational requirements when dispatching with a fuel boost pump low pressure warning system inoperative and the associated fuel pump is not used. 28-03-02-01 Center Tank Pump Lights When dispatching with one or both center tank fuel pump LOW PRESSURE lights inoperative and center tank fuel is to be used, position the two CTR FUEL PUMPS switches to OFF when both the MASTER CAUTION lights and the FUEL system annunciator panel light illuminate as a result of center tank fuel depletion.

(M) MAINTENANCE PROCEDURES — texte MEL (maintenance ; l’équipage vérifie que c’est fait) :

28-03-02A Center Tank Fuel Usable 1. Airplanes with Boeing Service Bulletin 737-28A1206 or equivalent installed: a) Set the two CTR FUEL PUMPS switches to OFF. b) Open and collar the operational center tank fuel boost pump circuit breaker for the center tank pump on Power Distribution Panel P91 or P92. c) Reset MASTER CAUTION lights by pressing either MASTER CAUTION light module. d) Set the operational center tank fuel boost pump switch to ON. e) Confirm MASTER CAUTION lights and FUEL system annunciator panel light illuminate after approximately 10 seconds. f) Set the operational center tank fuel boost pump switch to OFF. g) Close the operational center tank fuel boost pump circuit breaker on Power Distribution Panel P91 and P92. h) Reset MASTER CAUTION lights by pressing either MASTER CAUTION light module. 28-03-02-01 Center Tank Pump Lights When dispatching with one or both center tank fuel pump LOW PRESSURE lights inoperative and center tank fuel is to be used, the MASTER CAUTION lights and FUEL system annunciator panel light must illuminate when center tank fuel is depleted. 1. Airplanes with Boeing Service Bulletin 737-28A1206 or equivalent installed: a) Set the two CTR FUEL PUMPS switches to OFF. b) Open and collar the associated center tank fuel boost pump circuit breaker for the center tank pump on Power Distribution Panel P91 or P92. c) Reset MASTER CAUTION lights by pressing either MASTER CAUTION light module. d) Set the associated center tank fuel boost pump switch to ON. e) Confirm MASTER CAUTION lights and FUEL system annunciator panel light illuminate after approximately 10 seconds. f) Set the associated center tank fuel boost pump switch to OFF. g) Close the associated circuit breaker on Power Distribution Panel P91 and P92. h) Reset MASTER CAUTION lights by pressing either MASTER CAUTION light module.

(M#) MAINTENANCE PROCEDURES — personnel maintenance obligatoire — texte MEL :

28-03-01 Main Tank Pump Low Pressure Warning Light Systems Verify the MASTER CAUTION lights and FUEL system annunciator light operate normally in affected main tank (AMM 28-00-00/901). 1. Reset the MASTER CAUTION lights by pressing either Master Caution light module. 2. Set fuel boost pump switches in affected fuel tank to OFF. 3. Confirm MASTER CAUTION lights and FUEL system annunciator panel light illuminate. 4. If MASTER CAUTION lights and FUEL system annunciator panel light illuminate, no further maintenance steps required. 5. If MASTER CAUTION lights and FUEL system annunciator panel light do not illuminate, proceed to step 6. 6. Install a jumper plug to associated boost pump low pressure switch connector. a) Remove connector from associated boost pump low pressure switch and install 4M Sigma Corporation jumper plug 4MS-737NG-1 or equivalent. b) Secure jumper plug and associated wiring. c) Cover exposed main tank low pressure switch connector with protective cover M83723-60- 210AN or equivalent. d) Reset the MASTER CAUTION lights by pressing either Master Caution light module. e) Set the main tank fuel boost pump switch to ON (boost pump without the jumper plug on the low pressure switch in affected tank) and verify the LOW PRESSURE light extinguishes. f) Set the main tank fuel boost pump switch to OFF (boost pump without the jumper plug on the low pressure switch in affected tank) and verify the LOW PRESSURE light illuminates. Verify MASTER CAUTION lights and FUEL system annunciator panel light illuminate.
Restrictions / notes (extrait MEL)
________ FUEL BOOST PUMP LOW PRESSURE WARNING LIGHT INOP
QRH / procédures liées dans l’app

Liens vers des pages déjà présentes (QRH). Ce ne sont pas des procédures FCOM inventées. Le QRH officiel fait foi.

FUEL PUMP LOW PRESSURE · QRH 12.11QRH section 12 — Fuel (index)

Aide-mémoire formation. Le MEL Air Inuit officiel (AILO-0903) Amdt 5 (2026-01-08) fait toujours foi pour le dispatch, les (O)/(M) et les restrictions. Cette page ne remplace pas le PDF.

MEL officiel · 28-03 (page 289)