# SDR UIEA2021050701106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 2021
- Submitted: May 10, 2021
- Operation: Air carrier
- Aircraft: [N1093A](https://openairdocs.org/aircraft/N1093A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30111
- Aircraft time: 83,951 hours, 12,491 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 21138815
- Part serial: 108K0230
- Condition: Inoperative
- 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/UIEA2021050701106

## Discrepancy

CABIN ALTITUDE 2 INOP ( AUTO CABIN PRESSURE CONTROL SYSTEMS, ONE INOPERATIVE )(<P>ITEM TRANSFERRED TO MDDR 146448 PER 21-31-01A CAT C DUE DATE 15MAY21.</P><P>LP 1453662: REMOVED AND REPLACED AUTOMATIC PRESSURE CONTROLLER IAW AMM 21-31-02, OPS CHECK GOOD, THIS CLEARS MDDR 146448. PLACARDS REMOVED</P>)

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