Service difficulty report · Hinge · Boeing 75724APF

Difficulty date
March 15, 2026
Submitted
April 1, 2026
Operation
Air carrier
Aircraft
N437UP
Make and model
Boeing 75724APF
Aircraft serial
25468
Aircraft time
32,154 hours, 21,139 cycles
Part
Hinge
Part number
H313732
Condition
Corroded
Location
Zone 800
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RIGHT ECS BAY DOOR PNEUMATIC GROUND SERVICE DOOR HAS TWO EXFOLIATED HINGES. VERIFIED STEP 4. REMOVAL OF TWO CORRODED HINGE FROM DOOR PNEUMATIC GROUND SERVICE DOOR.IAW SRM 51-40-02. INSTALLED THE HINGES IN RT ECS BAY DOOR PNEUMATIC GROUND SERVICE DOOR IAW SRM 51-40-02-0G-0.

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