Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
November 27, 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
Stub Frame
Condition
Cracked
Location
Fwd Service Door
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

CRACK FOUND ON FSD FWD UPPER COVE STRUCTURE BS 294.5+3', APPROX. WL 265. REMOVED ON FSD FWD UPPER COVE STRUCTURE IAW SRM 51-40-02. EVALUATED CRACK AT FSD FWD UPPER COVE STUB FRAME AND FOUND OUT LIMITS IAW SRM 53-10-15-1A-2 ALLOWABLE DAMAGE 2 FIGURE 103 AND SRM 53-10-15-01-2 ID 2. LOCATED AND DRILLED NEW FSD UPPER STUB FRAME IAW SRM 51-40-05 AND IAW DWG 141A8370. INSTALLED FSD UPPER STUB FRAME IAW SRM 51-40-02 AND IAW DWG#141A8370.

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