SDR USAA980423

Service difficulty report · Floorbeam · Boeing 7373B7

Difficulty date: September 30, 1998
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N393US
Make and model: Boeing 7373B7
Aircraft serial: 23315
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Part number: 654681144
Condition: Corroded
Location: Bs 986
Part time: 37,228 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

CLT - DURING Q-4 CHECK VISUAL INSPECTION, FOUND A .5 INCH BY .5 INCH AREA OF CORROSION BS 986.5 LBL 4, 11, 21 AND LOWER SURFACE LBL 36 FLOORBEAM. CORROSION TASK NR C53-107-02. INSTALLED NEW T-CAP UPPER CHORD PER SRM 53-00-51 AND EA 62431. (M)

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