SDR AWXA200100523

Service difficulty report · Floorbeam · Boeing 73733A

Difficulty date: October 1, 2001
Submitted: October 15, 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: 65C31392
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 294.5, RBL 32, BEYOND SRM LIMITS AFTER CORROSION CLEAN UP. MAINTENANCE REMOVED DAMAGED FLOORBEAM UPPER CHORD, FABRICATED AND INSTALLED FLOORBEAM UPPER CHORD IAW B737 SRM 53-10-51, FIG 205, PG 220 - 223.

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