SDR AWXA200100529

Service difficulty report · Floorbeam · Boeing 73733A

Difficulty date: October 1, 2001
Submitted: October 22, 2001
Operation: Air carrier
Aircraft: N173AW
Make and model: Boeing 73733A
Aircraft serial: 23632
Aircraft time: 54,703 hours, 33,893 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 6545810519
Condition: Corroded
Location: Fuselage
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

MCN - C18 CK -C- CORROSION FOUND ON FLOORBEAM UPPER FLANGE AT BS 312, LBL 2 TO RBL 3, BEYOND SRM LIMITS. MAINTENANCE REMOVED FLOORBEAM UPPER FLANGE FROM LBL 18 TO RBL 22, FABRICATED REPLACEMENT PART AND INSTALLED IAW B737 SRM 53-10-51, FIG 205, PG 220 - 223.

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