# SDR ABXA20230927189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2023
- Submitted: September 28, 2023
- Operation: Air carrier
- Aircraft: [N226CY](https://openairdocs.org/aircraft/N226CY), registered now
- Make and model: Boeing 767383
- Aircraft serial: 26544
- Aircraft time: 94,624 hours, 19,389 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 211738815
- Part serial: ABXT039
- Condition: Malfunctioned
- Location: Cabin Pressure
- Part time: 502,821 hours, 3,084 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: F, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20230927189

## Discrepancy

EICAS CABIN ALT (AUTO 2 CONTROLLER) MAINTENANCE DEFERRED AUTO PRESSURIZATION.AFTER ONE FLIGHT, MAINTENANCE REMOVED AND INSTALLED AUTO PRESSURE CONTROLLER ASSY IAW BOEING 767 AMM 21-31-02. OPS CK GOOD AT THIS TIME PLACARD REMOVED. THIS AC REMAINS ETOPS 180 THIS CLEARS DI 45381 NO MX REVERSAL ACTION REQUIRED. 38100-28/3 .AC RETURNED TO SERVICE

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