Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
August 13, 2024
Submitted
September 12, 2024
Operation
Air carrier
Aircraft
N931WN
Make and model
Boeing 7377H4
Aircraft serial
36637
Aircraft time
50,530 hours, 30,789 cycles
Part
Stub Frame
Condition
Cracked
Location
Zone 100
Stage of operation
IN
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

CRACK FOUND ON FSD STUB FRAME BS301; .75' ABOVE SEAL DEPRESSOR; 1' IN LENGTH (MARKED)<[01] CORRECTED STATUS OF STEP 3;[02] REMOVED OLD FSD UPPER STUB FRAME PER SRM 51-40-02-0G-0 AND RECEIVED FROM TOOL ROOM NEW UPPER STUB FRAME P/N 141A8370U13 BN 271348. LOCATED AND DRILLED NEW UPPER STUB FRAME PER SRM 51-40-05-0G-0 AND BOEING DWG 141A8370 REV: D. AND INSTALLED FSD UPPER STUB FRAME PER SRM 51-40-02-0G-0 AND BOEING DWG 141A8370 REV. D.;[03] VERIFIED CORRECTIVE ACTION

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