Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date
November 30, 2009
Submitted
December 1, 2009
Operation
Air carrier
Aircraft
N909FD
Make and model
Boeing 7572B7
Aircraft serial
27200
Aircraft time
52,338 hours, 21,726 cycles
Part
Floorbeam
Part number
BAC1505100617
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

MAIN CARGO DECK FLOORBEAM STA 377.7 AT LBL 25 BOTH FWD AND AFT FASTNER HOLES AT LOWER SURFACE HAVE CORROSION. REMOVED CORROSION FROM UPPER TEE, MAT. REMOVED .016 FROM 0125. FOUND TEE OUT OF LIMITS IAW SRM 53-00-51 FIG 101 DETAIL 4, REMOVED PREVIOUS REPAIR STA 377 LBL 68 TO RBL 68, FABRICATED NEW UPPER TEE, REPAIR STRAPS AND, REPAIR ANGLES. INSTALLED REPAIR AT STA 377 LBL 68 TO RBL 68 IAW SRM 53-00-51, REPAIR 3 FIG 201 THIS IS A CATEGORY A , MAJOR REPAIR.

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