# SDR I5PA2020010675702

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2019
- Submitted: January 7, 2020
- Operation: Air carrier
- Aircraft: [N757QM](https://openairdocs.org/aircraft/N757QM), registered now
- Make and model: Boeing 757-29J
- Registry model: [Boeing 757-29J](https://openairdocs.org/model/boeing-757-29j) (OpenAirDocs)
- Aircraft serial: 27203
- Aircraft time: 58,681 hours, 32,173 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 21173886
- Part serial: 402068
- Condition: Unserviceable
- Location: Cabin Pressure
- Stage of operation: UK
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/I5PA2020010675702

## Discrepancy

ETOPS SIGNIFICANT ITEM: REF. MEL FOR CABIN ALT AUTO 2 STATUS MESSAGE, REMOVED AND REPLACED CABIN PRESSURE CONTROLLER 2 PER AMM 21-31-02.  OPS CHECK NORMAL, NO FURTHER FAULT STATUS MESSAGE NOTED.  CLEARED DMI PLACARD REMOVED.

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