# SDR UALA2009090802840

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2009
- Submitted: September 9, 2009
- Operation: Air carrier
- Aircraft: [N651UA](https://openairdocs.org/aircraft/N651UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25389
- Aircraft time: 75,684 hours, 12,214 cycles
- Engine: Pwa PW4060
- System (JASC): [3417 · Air Data Computer](https://openairdocs.org/jasc/3417)
- Part: Fmc
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009090802840

## Discrepancy

FMC FAILURE, RTFL.  REPLACED NR 1 ADC & ACP TEST.  FOUND CAPT PITOT DRAIN OPEN IN E&E & RESET.  ACP LOW & HIGH RANGE PITOT STATIC LEAK TESTS & RVSM CHECKS.  CHECKS OKAY.

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