Reactivation of the Locking Hooks and Spools
TASK 52-31-00-440-003-A
Reactivation of the Locking Hooks and Spools
MMEL 52-30-04A
CARGO DOOR LOCKING HOOKS AND SPOOLS (ROLLERS) (FAA ONLY)
2. Job Set-up Information
A. Referenced Information
3. Job Set-up
Subtask 52-31-00-860-060-A
Subtask 52-31-00-420-053-A
[Rev.10 from 2021]
2026.04.02 06:27:49 UTC
Reactivation of the Locking Hooks and Spools
CAUTION:
IMMEDIATELY AFTER YOU OPEN THE CARGO COMPARTMENT DOOR, RECORD ON THE WORK CARD ON THE DOOR, THE DATE AND TIME WHEN YOU OPENED IT. IF THE CARGO COMPARTMENT DOOR STAYS OPEN FOR 12 HOURS OR MORE, YOU MUST BLEED THE HYDRAULIC SYSTEM RELATED TO IT. IF YOU DO NOT OBEY THESE PRECAUTIONS, THE DOOR CAN CLOSE SUDDENLY WHEN YOU SET THE DOOR TO "CLOSE". THIS CAN CAUSE DAMAGE TO THE DOOR AND TO THE AIRCRAFT STRUCTURE.
1. Reason for the JobMMEL 52-30-04A
CARGO DOOR LOCKING HOOKS AND SPOOLS (ROLLERS) (FAA ONLY)
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| TASK 52-30-00-860-001-A | Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump |
| TASK 52-31-32-400-001-A | Installation of the Lock Fitting Components |
Subtask 52-31-00-860-060-A
A. Make sure that the FWD cargo-compartment door is fully opened and safetied with the support struts (Ref. AMM TASK 52-30-00-860-001).
4. ProcedureSubtask 52-31-00-420-053-A
A. Install the replacement spool (Ref. AMM TASK 52-31-32-400-001) and/or replacement locking hook (Ref. AMM D/O 52-31-21-40).