Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
June 30, 2021
Submitted
August 11, 2021
Operation
Air carrier
Aircraft
N750SA
Make and model
Boeing 7377H4
Aircraft serial
29802
Aircraft time
75,691 hours, 44,551 cycles
Part
Doubler
Condition
Corroded
Location
Apu Bay
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

CORROSION ON DOUBLER AT APU COMPARTMENT AROUND FUEL LINE BS1088 LBL14; 32' BELOW LOWER HORIZONTAL DECK. MARKED ; / [01] NO ALLOWABLE DAMAGE FOUND FOR THIS PART IN B737-700 SRM. REPAIR BY REPLACEMENT IAW SRM 51-10-02; [02] VERIFIED NO ALLOWABLE DAMAGE; [03] DOUBLER TO BE REPLACED ON CUST CARD TTG8Q005N3FL; [04] CORROSION FOUND TO BE OUT OF LIMITS DUE TO NO SRM ALLOWABLE DAMAGE.<BR><BR>PART TO BE REPLACED ON TTG8Q005N3FL

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