# SDR 2006UALA01245

- Type: Service difficulty report (as reported; unverified)
- 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](https://openairdocs.org/jasc/2751)
- Part: Warning System
- Condition: Activated
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006UALA01245

## Discrepancy

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.

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