SDR 2001UALA02186

Service difficulty report · Rub Strip · Boeing 737522

Difficulty date: November 1, 2001
Submitted: November 7, 2001
Operation: Air carrier
Aircraft: N920UA
Make and model: Boeing 737522
Aircraft serial: 25387
Aircraft time: 28,581 hours, 21,402 cycles
Engine: Ge CFM56*
System (JASC): 5753 · Trailing Edge Flaps
Part: Rub Strip
Condition: Missing
Location: T/E Flap
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

RIGHT HAND INBOARD MID FLAP CENTER FOREFLAP TRACK SUPPORT RIB IS GOUGED IN BORE FOR FORWARD ROLLER INBOARD RIB AND RIGHT HAND INBOARD MID FOREFLAP TRACK SUPPORT RIB IS WORN DUE TO MISSING WEAR STRIP CENTER TRACK OUTBOARD RIB. MAJOR REPAIR ACCOMPLISHED. REPLACED RIGHT HAND INBOARD MID FLAP, INBOARD AND OUTBOARD CENTER FOREFLAP TRACK SUPPORT RIBS.