SDR AWXA200200780

Service difficulty report · Crease Beam · Boeing 7572S7

Difficulty date: August 1, 2002
Submitted: August 21, 2002
Operation: Air carrier
Aircraft: N904AW
Make and model: Boeing 7572S7
Aircraft serial: 23566
Aircraft time: 64,658 hours, 25,117 cycles
Engine time: 0 hours, 0 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Crease Beam
Part number: 146N83262
Condition: Corroded
Part time: 0 hours, 0 cycles
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

LCQ - MAJOR REPAIR - DURING C-08 CHECK CORROSION WAS FOUND ON CREASE BEAM AT ATTACHMENT HOLE BS 1340, RBL 65. MAINTENANCE CLEANED CORROSION AND FOUND MATERIAL LOSS OUT OF LIMITS, REMOVED CREASE BEAM CHORD FROM BS 1290 TO BS 1400, FABRICATED A NEW CREASE BEAM AND INSTALLED REPAIR IAW B757-200 SRM 51-40-02, PG. 11-12, & 39.

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