SDR SWAA2023010480314

Service difficulty report · Doubler · Boeing 7377H4

Difficulty date: December 10, 2022
Submitted: January 4, 2023
Operation: Air carrier
Aircraft: N932WN
Make and model: Boeing 7377H4
Aircraft serial: 36639
Aircraft time: 45,146 hours, 27,359 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Doubler
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

LH VAPOR BARRIER INNER DOUBLER CRACKED. FABRICATED A NEW DOUBLER IAW DWG 111A1511. HEAT TREATED, LOCATED, AND DRILLED THE NEW DOUBLER IAW SRM 51-40-05-0G-0. TREATED AND PRIMED THE NEW DOUBLER IAW AMM 51-21-41-370-802, AND AMM 51-21-72-370-802.

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