SDR USAA990588

Service difficulty report · Floorbeam · Boeing 7572B7

Difficulty date: June 16, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N620AU
Make and model: Boeing 7572B7
Aircraft serial: 27199
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 1640
Part time: 19,482 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 C-4 CHECK VISUAL INSPECTION, FOUND CORROSION ON UPPER SURFACE AROUND NUTPLATE 10 INCH AREA AT STATION 1640, LBL 54.9 TO RBL 54.9 FLOORBEAM. CORROSION LEVEL 2, CORROSION TASK NR C53-221-03 AND C53-222-03. REMOVED AND REPLACED UPPER T-CAP PER REPAIR DOCUMENT 53-15-01 FIG 203. (M)

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