SDR USAA950389

Service difficulty report · Floor Beam · Boeing 7373B7

Difficulty date: March 7, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N395US
Make and model: Boeing 7373B7
Aircraft serial: 23317
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floor Beam
Condition: Corroded
Location: Bs 727-740
Part time: 27,150 hours
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-4 CHECK VISUAL INSPECTION, FOUND 1 INCH DIAMETER SPOTS OF CORROSION ON FLOOR BEAM AT SCREW HOLES 30 PERCENT LOSS, BS 727 TO BS 740 RBL 13. REPAIRED PER SRM 53-00-53 FIG 202. CORROSION TASK NR C53-208-01, CORROSION LEVEL 2. (W)

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