Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date
February 27, 2008
Submitted
February 28, 2008
Operation
Air carrier
Aircraft
N903FD
Make and model
Boeing 7572B7
Aircraft serial
27124
Aircraft time
47,097 hours, 19,245 cycles
Part
Floorbeam
Part number
143N501447
Condition
Corroded
Location
Zone 200
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

MAIN CARGO DECK FLOORBEAM AT STA. 700, LBL 58 HAS CORROSION. REMOVED CORROSION, AREA IS L=8", W=2", D=.035". ORIGINAL MATERIAL THICKNESS, 0.140" AFTER REWORK, 0.105', FOUND TO BE OUT OF SRM 53-00-51, FIG 101, DETAIL III LIMITS. REMOVED DAMAGED AREA IAW SRM 53-00-51 REPAIR NR 3. FABRICATED REPAIR PARTS ON MAE TRAVELERS T7/711676 (CHORD), T7/711674 (ANGLE NR 2), T7/714488 (STUB FRAME), T7/711675 (ANGLE NR 3), T7/711672 (STRAP NR 4), T7/711673 (STRAP NR 5) AND T7/714135 (DOUBLER). INSTALLED REPAIR PARTS IAW SRM 53-00-51, REPAIR NR 3.

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