MEL 21-10
⚠ RAPPEL HOT — RESTRICTION MEL
NE PAS PRESSURISER · PAX MAX 10 000 FT
Vol non pressurisé selon relief — O₂ équipage si >10 000 ft non-pax.
Qu’est-ce que c’est
Item MEL « Cabin Rate of Climb Indicator » (ATA 21-10) 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 21-10 — Cabin Rate of Climb Indicator.
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.
21-10 — Cabin Rate of Climb Indicator
CAT — · installé — · requis dispatch —
21-10-02 — Digital Control System
CAT C · installé 1 · requis dispatch 0
May be inoperative provided AUTO and ALTN control modes operate normally.
21-10-02-03CAT C · installé 1 · requis dispatch 0
(M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) 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). c) Outflow valve is positioned to 25% open position, and d) Recirculation fan(s) operates normally except for -800BCF airplane. 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. 3 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 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 Cabin Rate of Climb Indicator.
4. Journey log / other instructions (texte MEL) :
Print the following information in the journey log sheet.
• Condition 1 - Pressurized Flight:
CABIN RATE OF CLIMB INDICATOR INOP
• Condition 2 - Un-pressurized Flight:
CABIN RATE OF CLIMB INDICATOR INOP - DO NOT PRESSURIZE
5. Respecter toutes les restrictions du MEL — ne pas en inventer.
(O) OPERATIONS PROCEDURES — texte MEL :
1. Limit altitude to 10,000 ft. for passenger flights.
2. Non-passenger flights above 10,000 ft. require flight crew to be on oxygen.
3. Except for ditching, keep the outflow valve in the 25% open position.
4. Use only one pack inflight.
5. When dispatching with one operating pack supplied by engine bleed air on takeoff:
a) Determine V1(MCG) based on engine bleed for packs OFF.
b) Determine takeoff performance based on packs AUTO.
6. Limit climb and descent rates to 500 FPM to avoid passenger discomfort.
7. Operators must establish and use procedures to verify the lower forward cargo compartment
remains empty or contains only ballast, empty cargo handling equipment (ballast may be loaded
in ULDs) and/or fly away kits (Engine Covers, Tool Kit and Strap Kit).
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.
(M) MAINTENANCE PROCEDURES — texte MEL (maintenance ; l’équipage vérifie que c’est fait) :
Configure the airplane for unpressurized flight.
1. Manually position the outflow valve in the 25% open position:
a) Position the Pressurization Mode selector to MAN.
b) Hold the VALVE toggle switch in the OPEN or CLOSE position until valve position indicator
indicates 25% open.
2. Open and collar P6-4 Panel circuit breaker A/C OVERBOARD EXH VALVE RECONFIG CONT.
Restrictions / notes (extrait MEL)
• Condition 1 - Pressurized Flight:
CABIN RATE OF CLIMB INDICATOR INOP
• Condition 2 - Un-pressurized Flight:
CABIN RATE OF CLIMB INDICATOR INOP - DO NOT PRESSURIZE
(M)(O) May be inoperative provided: a) Flight is conducted in an unpressurized configuration, b) 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).
1. Limit altitude to 10,000 ft. for passenger flights.
2. Non-passenger flights above 10,000 ft. require flight crew to be on oxygen.
6. Limit climb and descent rates to 500 FPM to avoid passenger discomfort.
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 · 21-10 (page 72)