SDR USAA951326

Service difficulty report · Floor Track · Boeing 737401

Difficulty date: December 11, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N422US
Make and model: Boeing 737401
Aircraft serial: 23989
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Floor Track
Condition: Corroded
Location: Bs 727-787
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

INT - DURING 'Q-3' CHECK VISUAL INSPECTION, FOUND SEVERAL .50 INCH BY 1 INCH CORRODED AREAS, BS 727F TO BS 787, RBL 14, CARGO FLOOR TRACK. CUT OUT CORRODED TRACK (BEAM) FROM BS 727E PLUS 14 TO BS 807. FABRICATED AND INSTALLED NEW BEAM SECTION AND SPLICES. REPAIRED PER SRM 53-00-53, FIGURES 202 AND 203, TR 53-10-06. CORROSION TASK NR C53-208-01. CORROSION LEVEL 2. (X)