Service difficulty report · Floor Support · Boeing 73776N

Difficulty date
January 9, 2018
Submitted
February 8, 2022
Operation
Air carrier
Aircraft
N7725A
Make and model
Boeing 73776N
Aircraft serial
32671
Aircraft time
39,006 hours, 18,379 cycles
Part
Floor Support
Condition
Corroded
Location
Fwd Cargo 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*** FWD CARGO BAY FLOOR SUPPORT HAS CORROSION STA500D LBL21 TO RBL 21. / REMOVED CORROSION FROM FCB FLOOR SUPPORT BS 500D LBL 21 TOT RBL 21 LOWER RAIL IN AREAS OF 7' X 2' X0.01 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT PER SRM PARTS WILL BE REPAIR REPLACEMENT IAW SRM 51-10-02-0G-0 PAR-9C LOCATED AND DRILLED NEW FLOOR SUPPORT ITEM # 7R30142 IAW SRM 51-40-05-0G-0 AND INSTALLED IAW SRM 51-40-02-0G-0 AND BOE DR # 143A 9481 REV B 56208U 10JAN18

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