# SDR UALA2011091404976

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2011
- Submitted: October 7, 2011
- Operation: Air carrier
- Aircraft: [N786UA](https://openairdocs.org/aircraft/N786UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26938
- Aircraft time: 63,691 hours, 9,283 cycles
- Engine: Pwa PW40903
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Computer
- Part number: 4917711
- Condition: Faulty
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011091404976

## Discrepancy

EICAS STATUS MESSAGE "NO LAND 3" AND "PFC CHANNEL" ARE DISPLAYED.   REF SMC 5 FOR INCOMPATIBLE PFC HARDWARE & SOFTWARE.  SEE PTT SEQ 6912018 FOR R AND CENTER PFC RPL.

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