Remove XZ-Latches for Detailed Inspection

TASK 25-50-00-200-802-A
Remove XZ-Latches for Detailed Inspection

ZONE: 130
ZONE: 150

1. Reason for the Job
Refer to the MPD TASK: 255000-25
REMOVE XZ-LATCHES FOR DETAILED INSPECTION

NOTE: The XZ-latches are installed only in these cargo compartments which have a Cargo Loading System (CLS).

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	1	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
130	FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX
150	AFT CARGO COMPARTMENT FWD PRESS BULKHEAD TO AFT BULKHEAD OF AFT CARGO COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 25-52-34-000-001-A	Removal of the XZ-Single Latch 32 and the Proximity Switch
TASK 25-52-34-400-001-A	Installation of the XZ-Single Latch 32 and the Proximity Switch
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A	Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump

3. Job Set-up
Subtask 25-50-00-860-086-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(2) Open the forward and/or aft cargo-compartment door(s) (Ref. AMM TASK 52-30-00-860-001).
(3) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position at the opening of the forward and/or aft cargo-compartment door(s).
(4) Set the light switch to on.
(5) Put the WARNING NOTICE(S) on the control panel(s) of the cargo loading system to tell persons not to use it.

Subtask 25-50-00-010-121-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Remove each XZ-single latch 32 (Ref. AMM TASK 25-52-34-000-001).

NOTE: It is not necessary to remove the related proximity switch.

4. Procedure
Subtask 25-50-00-200-050-A ** ON A/C NOT FOR ALL

A. Detailed Inspection of the XZ-Single Latch 32
(1) Examine each latch for cracks, corrosion and other damage.
(2) Lift and lower the latching element on each latch to make sure that it moves freely.
(3) Lift the latching element on each latch to make sure that each latching element locks in the lifted position.
(4) Examine the tension springs of each latch for corrosion and other damage.
(5) Make sure that the tension springs of each latch are correctly attached.

5. Close-up
Subtask 25-50-00-410-114-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Install the XZ-single latch 32 (Ref. AMM TASK 25-52-34-400-001).

Subtask 25-50-00-860-087-A ** ON A/C NOT FOR ALL

B. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
(3) Set the light switch to off.
(4) Remove the access platform(s).
(5) Close the forward and/or aft cargo-compartment door(s) (Ref. AMM TASK 52-30-00-860-002).
(6) De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.02 06:14:20 UTC