Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date
November 10, 2022
Submitted
December 9, 2022
Operation
Air carrier
Aircraft
N7741C
Make and model
Boeing 7377BD
Aircraft serial
35788
Aircraft time
51,579 hours, 26,914 cycles
Part
Floorbeam
Condition
Corroded
Location
Bs 986 Rbl 45
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

FLOORBEAM, BS 986.5, RBL 45, FASTENER HOLE HAS A SPOT OF CORROSION. FOUND OUT OF LIMITS IAW SRM 53-70-51-1A-1. REMOVED THE FLOORBEAM IAW SRM 51-40-02-0G-0, FABRICATED A NEW TEE IAW SRM 53-70-51-2R-4, REPAIR 4. LOCATED AND DRILLED IAW SRM 51-40-05. ACCOMPLISHED FLAP PEENING AT CUT EDGE OF FLOORBEAM UPPER TEE CAP REPAIR SECTION IAW SOPM 20-10-03. TREATED AND PRIMED FABRICATED TEE IAW AMM 51-21-72-370-=804, AND 51-210-41-370-802. INSTALLED UPPER TEE REPAIR IAW SRM 51-40-02-0G-0, AND SRM 53-70 51-2R-4. INSTALLED FLOORBEAM IAW SRM 51-40-02-0G-0.

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