Service difficulty report · Floorbeam · Boeing 7572G5

Difficulty date
November 8, 2010
Submitted
November 8, 2010
Operation
Air carrier
Aircraft
N943FD
Make and model
Boeing 7572G5
Aircraft serial
23929
Aircraft time
64,335 hours, 22,005 cycles
Engine
Rroyce RB211*
Part
Floorbeam
Part number
BAC1505100880
Condition
Corroded
Location
Bs 345
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 COMPARTMENT FLOORBEAM UPPER CHORD HAS CORROSION BS 345 BLENDED UPPER CHORD STA 345 IAW SRM 51-10-02, ORIGINAL MATERIAL .125 AFTER REWORK .106 OUT OF LIMITS IAW SRM 53-00-51, FIG 101, DETAIL III. EXCEEDS MAX MAT LOSS OF 10 PERCENT OF ORIGINAL MAT. REMOVED UPPER CHORD STA 345 IAW SRM 51-40-02. FABBED REPLACEMENT T-CHORD FROM BAC1505-100880, REPAIR ANGLES ON TRAVELER T10/857514 AND REPAIR STRAPS ON TRAVELER T10/857515 IAW SRM 53-00-51, FIG 201, TABLE I. INSTALLED REPAIR PARTS. THIS IS A MAJOR REPAIR.

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