SDR 0105105642

Service difficulty report · Mechanism · Boeing 757251

Difficulty date: December 30, 2001
Submitted: January 11, 2002
Operation: Air carrier
Aircraft: N542US
Make and model: Boeing 757251
Aircraft serial: 26489
Aircraft time: 20,093 hours, 8,087 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Mechanism
Condition: Lack Of Lube
Location: T/E Flap
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AFTER TAKEOFF UPON SELECTING FLAPS 1, THE TRAILING EDGE FLAP DISAGREE WARNING ILLUMINATED AND THERE WAS NO CHANGE IN THE INDICATED FLAP POSITION. THE FLIGHT DECLARED AN EMERGENCY, RETURNED TO MSP, AND ACCOMPLISHED AN OVERWEIGHT LANDING WITHOUT INCIDENT. MAINTENANCE INSPECTED THE SYSTEM, RESET THE FLAP OVERLOAD INDICATORS, LUBRICATED THE FLAP MECHANISM, AND SERVICED THE FLAP TRANSMISSIONS. SYSTEM FUNCTIONAL TESTS WERE SATISFACTORY.