# SDR DALA14028409258

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2014
- Submitted: May 6, 2014
- Operation: Air carrier
- Aircraft: N958DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53528
- Aircraft time: 45,167 hours, 23,622 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA14028409258

## Discrepancy

RED CABIN ALT ANNUNCIATOR ACCOMPANIED BY AURAL WARNING AT FL280 WITH NO WARNING CABIN AT ALT FL100.  INITIATED DESCENT.  FOLLOWED QRH AND CABIN ALT NEVER EXCEEDED FL100.  F/A AT L2 DOOR REPORTED LOUD WIND NOISE AND RUSH OF COLD AIR DURING DESCENT.  AUTO 1 INOPERATIVE. LIGHT NEVER ILLUMINATED UNTIL 5000'.  FWD TO MCO/PLAC IAW MEL 21-31-01A.  R & R NR 1 CONTROLLER IAW AMM.  OPS CHECK GOOD.

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