# SDR WX0A2015092872898

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 24, 2015
- Submitted: September 28, 2015
- Operation: Air carrier
- Aircraft: N408NV
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53246
- Aircraft time: 52,440 hours, 34,425 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 20220141
- Part serial: 161469
- Condition: Inoperative
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2015092872898

## Discrepancy

AIR RETURN DUE TO LOSS OD BOTH PRESS CONTROLLERS, PERFORMED QRH 21.9 - 21.2.  R & R NR 2 MOTOR ASSEMBLY ACTUATOR IAW AMM 21-32-05.  R & R NR 1 & 2 CABIN PRESS CONTROLLERS IAW AMM 21-32-03.  LEAK CHECK COMPLIED WITH IAW AMM 34-11-00.  OPERATIONS CHECKED NORMAL.

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