Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
June 6, 2019
Submitted
March 10, 2022
Operation
Air carrier
Aircraft
N732SW
Make and model
Boeing 7377H4
Aircraft serial
27864
Aircraft time
70,110 hours, 41,124 cycles
Part
Doubler
Condition
Corroded
Location
Main Cabin
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

PASSENGE CABIN; STA 663+3; LBL 65; HORIZONTAL PRESURE DECK DOUBLER ANGLE HAS CORROSION AROUND FASTNERS / REMOVED CORROSION IAW B737-700 SRM 51-10-02. ORIGINAL MATERIAL THICKNESS = .063' AFTER BLENDING .060' REMAINS = .003' MATERIAL LOSS. REPAIRED IAW EA 190566 IR AND EA 1-757-16364 REV IR.

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