SDR 2006UALA01245

Service difficulty report · Warning System · Boeing 747422

Difficulty date: June 21, 2006
Submitted: July 5, 2006
Operation: Air carrier
Aircraft: N175UA
Make and model: Boeing 747422
Aircraft serial: 24382
Aircraft time: 62,494 hours, 7,128 cycles
Engine: Pwa PW4056
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Warning System
Condition: Activated
Location: Cockpit
Stage of operation: NR
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

FLAPS DRIVE EICAS CAUTION MESSAGE DISPLAYED. 'FLAPS DRIVE' EICAS CAUTION MESSAGE DISPLAYED. INBD OR OUTBD TE FLAP ASYMMETRY, INBD OR OUTBD TE FLAP SHUTDOWN OR L E FLAP SHUTDOWN, OR LE ELEC FLAPS DISAGREEMENT. REPLACED NR 1 FLAP LE DRIVE UNIT PER MM 27-81-03.