Service difficulty report · Bulkhead Web · Boeing 7377H4

Difficulty date
September 9, 2021
Submitted
September 16, 2021
Operation
Air carrier
Aircraft
N967WN
Make and model
Boeing 7377H4
Aircraft serial
36967
Aircraft time
33,104 hours, 20,101 cycles
Part
Bulkhead Web
Condition
Cracked
Location
Bs 663
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

REAR SPAR BS 663 VAPOR BARRIER CRACKED. 2 CRACKS FOR A TOTAL OF 18 INS IN LENGTH. FOUND DAMAGE TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-10-10-1A-2 PAR 4.D (1) (A) 1). REMOVED 1EA PLACARD FROM REPAIR AREA IAW AMM 20-10-14-000-801 PAR 2.C (1)-(3). REMOVED DAMAGE PLIES PREPARED AREA FOR REPAIR & CLEANED. FABRICATED REPAIR PLIES IAW SRM 51-70-04-2R-10 PAR 4.D. INSTALLED REPAIR PLIES. REMOVED VACUUM BAGGING MATERIAL LIGHTLY SANDED AND CLEANED REPAIR AREA. WORK ACCOMPLISHED IAW SRM 51-70-04-2R-10 PAR 4.F + H. ACCOMPLISHED UT INSPECTION TO PANEL REPAIRED AREA IAW NDTM P4 51-00-02. NO DEFECTS NOTED.

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