# SDR UALA2011090704860

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 6, 2011
- Submitted: September 9, 2011
- Operation: Air carrier
- Aircraft: [N778UA](https://openairdocs.org/aircraft/N778UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26940
- Aircraft time: 62,299 hours, 11,113 cycles
- Engine: Pwa PW4077
- System (JASC): [3160 · Central Display](https://openairdocs.org/jasc/3160)
- Part: Display
- Part number: 4091900931
- Part serial: 102
- Condition: Defective
- Location: Cockpit
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011090704860

## Discrepancy

FIRST OFFICERS PFD HAS BLACK SPOT ON TOP OF SPEED TAPE-ABOVE IAS.  DISPLAY FOUND FAULTY.  REPLACED F/O'S PFD.

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