SDR 05FDEA04008

Service difficulty report · Flap Track · Boeing 727227

Difficulty date: November 29, 2005
Submitted: November 29, 2005
Operation: Air carrier
Aircraft: N486FE
Make and model: Boeing 727227
Aircraft serial: 21489
Aircraft time: 37,578 hours, 28,022 cycles
System (JASC): 5753 · Trailing Edge Flaps
Part: Flap Track
Condition: Corroded
Location: Zone 500
Stage of operation: IN
How discovered: V
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

LEFT WING INBOARD FLAP OUTBOARD TRACK AFT MOUNT BOLT HOLES (BORES) HAVE CORROSION. REMOVED CORROSION BY REAMING FROM BORES G AND F WITH FINAL DIAMETER OF .3765 INCH FOR HOLE F AND .3765 INCH FOR HOLE G. FABRICATED REPAIR BUSHINGS FROM 15-5 PH STEEL PO 453539.1. HEAT TREATED BUSHINGS IAW BAC OVERHAUL MANUAL 57-40-01 AND CAD PLATED BUSHINGS IAW QQP-416 TYPE II CLASS 2 ON PO 510636.1. INSTALLED AND FINAL REAMED BUSHINGS TO .316 INCH ON BORES F AND G IAW BAC OVERHAUL MANUAL 57-40-01.