# SDR 2011FA0000330

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2011
- Submitted: May 31, 2011
- Operation: Air carrier
- Aircraft: N178SL
- Make and model: Piagio P180
- Aircraft serial: 1151
- Aircraft time: 3,628 hours, 2,876 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Pressure System
- Condition: Malfunctioned
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000330

## Discrepancy

COMPLETE AUTO MANUAL PRESSURIZATION FAILURE. CABIN PRESS LIGHT ILLUMINATED. CABIN CLIMBED ABOVE INDICATED ALTITUDE AND INDICATED 4000-6000 FPM CLIMB IN AUTO AND MANUAL PRESSURE MODE.  SYSTEM OP CHECKED GOOD IN MANUAL MODE ON GROUND RUNS, AUTO MOD PLACED ON MEL.

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