Service difficulty report · Service Door · Boeing 7377H4

Difficulty date
June 30, 2025
Submitted
July 24, 2025
Operation
Air carrier
Aircraft
N963WN
Make and model
Boeing 7377H4
Aircraft serial
36676
Aircraft time
44,502 hours, 27,369 cycles
Part
Service Door
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

F.R. WATER SERVICE DOOR (146AR) EXTERNAL SKIN CORRODED.<[01] REMOVED CORROSION AND VERIFIED WITH A 10-POWER MAGNIFYING GLASS ON WATER SERVICE DOOR (146AR) EXTERNAL SKIN I.A.W SRM 51-10-02-0G-0.<BR>EVALUATED AREA WITH ORIGINAL THICKNESS 0.140'; MATERIAL LOSS 0.007' AND REMAINING THICKNESS 0.133'; WERE IS A MAXIMUM OF 0.25T ON ALLOWABLE DAMAGE. THEREFORE; IS WITHIN LIMITS I.A.W SRM 52-40-01-1A-5 AND RESTORED FINISH I.A.W SRM 51-20-01-0G-0; SOPM 20-41-02 AND AMM 51-21-73-701.

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