SDR SWAA2022111559083

Service difficulty report · Vapor Barrier · Boeing 7377H4

Difficulty date: October 7, 2022
Submitted: November 15, 2022
Operation: Air carrier
Aircraft: N953WN
Make and model: Boeing 7377H4
Aircraft serial: 36668
Aircraft time: 38,362 hours, 23,373 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Vapor Barrier
Condition: Cracked
Location: Bs 663
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

MLG LEFT SIDE STA.663; VAPOR BARRIER WEB HAS CRACK. CLEANED THE VAPOR BARRIER, STOP DRILLED THE CRACKS. PREPARED DAMAGE AREAS FOR REPAIR; PERFORMED DRY OUT, FOUND NO WATER IAW SRM 51-70-04-2R-10, REPAIRED THE DAMAGE WITH A PERMANENT REPAIR ON THE VAPOR BARRIER WEB IAW SRM 51-70-04-2R-10. PERFORMED TAP TEST ON REPAIRED AREA, FOUND NO DELAMINATION IAW SRM 51-05-01 SECTION 5.

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