SDR AWXA200100527

Service difficulty report · Floorbeam · Boeing 73733A

Difficulty date: October 1, 2001
Submitted: October 17, 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, RBL 6 TO RBL 13, WL 208, BEYOND SRM LIMITS AFTER CORROSION CLEAN UP. MAINTENANCE REMOVED DAMAGED FLOORBEAM UPPER FLANGE FROM LBL 18 TO RBL 22, FABRICATED REPAIR FLOORBEAM UPPER FLANGE AND INSTALLED IAW B737 SRM 53-10-51, FIG 205, PG 200 - 203.

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