SDR SWAA2022121372116

Service difficulty report · Doubler · Boeing 7377H4

Difficulty date: November 15, 2022
Submitted: December 13, 2022
Operation: Air carrier
Aircraft: N267WN
Make and model: Boeing 7377H4
Aircraft serial: 32525
Aircraft time: 52,811 hours, 31,569 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Doubler
Condition: Cracked
Location: Bs 663 Bulkhead
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

BS 663 VAPOR BARRIER DOUBLER WAS FOUND CRACKED, RBL 15, WL 152. BENDED DOUBLER IAW DWG 111A1511- 27.-128. LOCATED AND DRILLED A NEW DOUBLER IAW SRM 51-40-05-0G-0, AND DWG 111A1511. BLENDED DOUBLER FOUND OUT OF LIMITS IAW SRM 57-10-10-1A-2. APPLIED TREATMENT AND PRIMER IAW SRM 51-20-01 AND SOM 20-41-02. NEW DOULBER TO BE INSTALLE IAW TTG8Q00G1YZ5, STEP 8.

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