MEL 21-15
⚠ RAPPEL HOT — RESTRICTION MEL
PEUT EXIGER VOL NON PRESSURISÉ
Selon relief — procédures unpressurized flight.
Qu’est-ce que c’est
Item MEL « Main Outflow Valve » (ATA 21-15) du système conditionnement d’air / pressurisation 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 21-15 — Main Outflow Valve.
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 5 · 2026-01-08.
21-15 — Main Outflow Valve
CAT — · installé — · requis dispatch —
21-15-02 — Digital Control System Outflow Valve Automatic Mode Actuators
CAT — · installé — · requis dispatch —
21-15-02-02CAT C · installé 2 · requis dispatch 1
One may be inoperative provided manual mode actuator operates normally.
21-15-02-04CAT C · installé 2 · requis dispatch 0
(M#)(O) May be inoperative for unpressurized flight provided: a) Procedures are established and used to ensure lower forward cargo compartment remains empty or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or Fly Away Kits (Engine Covers, Tool Kit and Strap Kit), b) Outflow valve is deactivated in 25% open position or removed, c) Recirculation fan(s) operates normally except for -800BCF airplane, and d) Extended overwater flight is prohibited. NOTE: For ballast purposes, use of bags (made of glass fibre or kevlar) of sand or ingots of non-magnetic (such as lead) is acceptable.
21-15-03 — Digital Control System Outflow Valve Manual Mode Actuator
CAT — · installé — · requis dispatch —
21-15-03-03CAT C · installé 1 · requis dispatch 0
(M#)(O) May be inoperative for unpressurized flight provided: a) Procedures are established and used to ensure lower forward cargo compartment remains empty or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or Fly Away Kits (Engine Covers, Tool Kit and Strap Kit), b) Outflow valve is deactivated in 25% open position or removed, c) Recirculation fans operate normally, and d) Extended overwater flight is prohibited. NOTE: For ballast purposes, use of bags (made of glass fibre or kevlar) of sand or ingots of non-magnetic (such as lead) is acceptable.
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. 6 condition(s) de relief extraite(s) du tableau officiel (installé / requis / remarques). Une procédure (M) maintenance 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 Pressurization Mode Selector.
4. Journey log / other instructions (texte MEL) :
Print the following information in the journey log sheet.
• Condition 1 - One Outflow Valve Automatic Mode Actuator Inoperative
OUTFLOW VALVE AUTOMATIC MODE ACTUATOR INOP
• Condition 2 - One or Both Outflow Valve Automatic Modes Inoperative - Unpressurized Flight Only
OUTFLOW VALVE - OPERATE UNPRESSURIZED - EXTENDED OVERWATER FLIGHT
PROHIBITED
• Condition 3 - Outflow Valve Manual Mode Inoperative - Unpressurized Flight Only
OUTFLOW VALVE INOP - OPERATE UNPRESSURIZED - EXTENDED OVERWATER FLIGHT
PROHIBITED
5. Respecter toutes les restrictions du MEL — ne pas en inventer.
(M) MAINTENANCE PROCEDURES — texte MEL (maintenance ; l’équipage vérifie que c’est fait) :
None required.
(M#) MAINTENANCE (M) PROCEDURES
21-15-02-04:
Use MEL item 21-14-03-03 (M) procedure.
21-15-03-03:
Use MEL item 21-14-04-03 (M) procedure.
OPERATIONS (O) PROCEDURES
21-15-02-04:
Use MEL item 21-14-03-03 (O) procedure.
21-15-03-03:
Use MEL item 21-14-04-03 (O) procedure.
Restrictions / notes (extrait MEL)
• Condition 1 - One Outflow Valve Automatic Mode Actuator Inoperative
OUTFLOW VALVE AUTOMATIC MODE ACTUATOR INOP
• Condition 2 - One or Both Outflow Valve Automatic Modes Inoperative - Unpressurized Flight Only
OUTFLOW VALVE - OPERATE UNPRESSURIZED - EXTENDED OVERWATER FLIGHT
PROHIBITED
• Condition 3 - Outflow Valve Manual Mode Inoperative - Unpressurized Flight Only
OUTFLOW VALVE INOP - OPERATE UNPRESSURIZED - EXTENDED OVERWATER FLIGHT
(M#)(O) May be inoperative for unpressurized flight provided: a) Procedures are established and used to ensure lower forward cargo compartment remains empty or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or Fly Away Kits (Engine Covers, Tool Kit and Strap Kit), b) Outflow valve is deactivated in 25% open position or removed, c) Recirculation fan(s) operates normally except for -800BCF airplane, and d) Extended overwater flight is prohibited.
(M#)(O) May be inoperative for unpressurized flight provided: a) Procedures are established and used to ensure lower forward cargo compartment remains empty or is verified to contain only empty cargo handling equipment, ballast (ballast may be loaded in ULDs), and/or Fly Away Kits (Engine Covers, Tool Kit and Strap Kit), b) Outflow valve is deactivated in 25% open position or removed, c) Recirculation fans operate normally, and d) Extended overwater flight is prohibited.
QRH / procédures liées dans l’app
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 · 21-15 (page 86)