# SDR 99UAL900047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N575UA
- Make and model: Boeing 757222
- Aircraft serial: 26689
- Engine: Pwa PW2037
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Warning
- Condition: Activated
- Location: Flap Syst
- Stage of operation: NR
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900047

## Discrepancy

DIVERTED TO PHX UNDER AMBER ALERT DUE TO FLAP/SLAT PROBLEM.  *S/D*  CHECKS OF THE SYSTEM DID NOT REVEAL A ROOT CAUSE, AND PROBLEM COULD NOT BE DUPLICATED.  SYSTEM OPERATIONALLY CHECKED OK.

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