# SDR UALA2011102405759

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2011
- Submitted: November 4, 2011
- Operation: Air carrier
- Aircraft: [N677UA](https://openairdocs.org/aircraft/N677UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 30029
- Aircraft time: 37,264 hours, 9,290 cycles
- Engine: Pwa PW4056
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Light
- Condition: Illuminated
- Location: Posit C2
- Stage of operation: CL
- 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/UALA2011102405759

## Discrepancy

CREW REPORTED AT ROTATION, ACFT ENCOUNTERED NOTICEABLE BUMP IN RUNWAY SURFACE, IMMEDIATELY FOLLOWED BY AN AIR DEMAND PUMP AND NR 2 CTR SYS ACMP LOW PRESSURE LIGHTS.  ADP LOW PRESSURE LIGHT EXTINGUISHED AFTER GEAR RETRACTED AND NR 2 ACMP LOW PRESSURE LIGHT EXTINGUISHED AFTER POWER REDUCTION.  ALL LOW PRESSURE LIGHTS REMAINED OUT, GEAR & FLAP OPERATION SLOW.  CTR QTY NORMAL, NO CONTROL ISSUES.

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