SDR DLL10010573

Service difficulty report · Flap · Lkheed 10113851

Difficulty date: April 7, 2001
Submitted: April 17, 2001
Operation: Air carrier
Aircraft: N728DA
Make and model: Lkheed 10113851
Aircraft serial: 193C1173
Aircraft time: 65,853 hours, 30,463 cycles
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Flap
Condition: Malfunctioned
Location: Wings
Stage of operation: AP
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

FLAP / SLAT LOCK LIGHT CAME ON IN CRUISE. UNABLE TO LOWER FLAPS. ALL SLATS EXTENDED. RAN WIRES FROM COMPARATOR TO ASSEMETRY TRANSDUCER BOTH WINGS USING A MEGGER MTR. ALSO SHOOK DOWN WIRE BUNDLES FROM WING TIP TO WING ROOT BOTH WINGS. NO TROUBLE FOUND. RAN FLAPS SEVERAL TIMES ALL CHECKS NORMAL.