Service difficulty report · Floorbeam · Boeing 75728A

Difficulty date
July 21, 2009
Submitted
July 22, 2009
Operation
Air carrier
Aircraft
N913FD
Make and model
Boeing 75728A
Aircraft serial
24017
Aircraft time
84,316 hours, 25,419 cycles
Part
Floorbeam
Part number
BSC1505100620
Condition
Corroded
Location
Bs 377
Stage of operation
IN
How discovered
V
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

FWD CABIN FLOORBEAM UPPER SURFACE AT BS 377, LBL 61, HAS SURFACE CORROSION. REMOVED CORROSION IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS PER SRM 53-00-51, DETAIL 3, FIG. 101. CUT OUT DAMAGED AREA AND REMOVED PREVIOUS REPAIR OF UPPER TEE CHORD, BS 377, LBL 70 - RBL 34, IAW SRM 53-00-51. FABRICATED UPPER TEE CHORD, -2 / -3 REPAIR ANGLES PER SRM 53-00-51, FIG. 201, REPAIR 3 & MAE TRAVELER T9/798554. LOCATED / DRILLED ALL REPAIR PARTS PER SRM 51-40-05 / 53-00-51, FIG. 201, REPAIR 3. INSTALLED ALL REPAIR PARTS IAW SRM 53-00-51, FIG 201, REPAIR 3. THIS IS A CAT. "A" MAJOR REPAIR.

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