Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date
June 5, 2020
Submitted
June 29, 2020
Operation
Air carrier
Aircraft
N7704B
Make and model
Boeing 7377BD
Aircraft serial
33918
Aircraft time
53,904 hours, 28,389 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 312
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

UPPER FUSELAGE; FWD CABIN WET AREA; INBOARD OF L1DOOR; FLOOR SUPPORT BEAM AT STA. 312; LT. BUTT LINE 45'HAS CORROSION. MARKED 99-31 / REMOVED CORROSION FROM FWD CABIN WET AREA STA 312; LBL 45 PER B737-700 SRM 51-10-02-0G-0; FOUND TO BE OUT OF LIMITS PER B737-700 SRM 53-10-51-1A-1. FABRICATED AND INSTALLED REPAIR PARTS PER B737-700 SRM 53-10-51-2R-15 ALTERNATIVE 3; AND SRM 51-40-02-0G-0

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