SDR F3LA98104

Service difficulty report · Floorbeam · Boeing 737301

Difficulty date: June 23, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N578US
Make and model: Boeing 737301
Aircraft serial: 23257
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 328
Stage of operation: IN
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

PAE - DURING C-CHECK INSPECTION, REPORTED CORROSION ON FLOORBEAM AT BS 328, RBL 15-42. MAINTENANCE REMOVED CORROSION AT RBL 15 (1.8 INCH BY 1.2 INCH BY .012 INCH), RBL 22 (1.3 INCH BY 1 INCH BY .013 INCH), RBL 29 (1.4 INCH BY 1 INCH BY .015 INCH) RBL 36 (1.5 INCH BY 1.2 BY .012 INCH), AND RBL 43 (1.7 INCH BY 7 INCH BY .016 INCH). FABRICATED REPLACEMENT PARTS AND REPAIRED PER SRM 53-00-51, FIG 203. (M)