Service difficulty report · None · Boeing 7377H4

Difficulty date
November 29, 2021
Submitted
December 27, 2021
Operation
Air carrier
Aircraft
N455WN
Make and model
Boeing 7377H4
Aircraft serial
32462
Aircraft time
58,698 hours, 34,771 cycles
Part
None
Condition
Corroded
Location
Aft Cargo Bay
Stage of operation
UK
How discovered
9
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

ACD AFT THRESHOLD TEE CLIP CORRODED UNDER NUT PLATE BS 847 RBL16. REMOVED SURFACE CORROSION AT ACD AFT THRESHOLD TEE CLIP. FOUND NO ALLOWABLE DAMAGE FOR THIS PART. REMOVED ACD AFT THRESHOLD TEE CLIP SRM 51-40-02. FABRICATED NEW ACB AFT THRESHOLD TEE CLIP IAW DWG 146A9401-41. LOCATED AND DRILLED THE ACB AFT THRESHOLD TEE CLIP IAW SRM 51-40-05-0G-0, AND DRAWING 146A9401. APPLIED CHEMICAL CONVERSION COATING AND PRIMED ACB AFT THRESHOLD TEE CLIP IAW AMM 51-21-72-370-804, AMM 51-21-41-370-802. INSTALLED ACB AFT THRESHOLD TEE CLIP IAW SRM 51-40-02-0G-0 AND DRAWING 146A7500.

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