# SDR DALA2022021000881

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2022
- Submitted: February 10, 2022
- Operation: Air carrier
- Aircraft: [N1602](https://openairdocs.org/aircraft/N1602), registered now
- Make and model: Boeing 767332
- Aircraft serial: 29694
- Aircraft time: 99,736 hours, 13,980 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: None
- Condition: None
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B, G, I
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022021000881

## Discrepancy

SHIP 1602 -PRES- CABIN AUTO INOP EICAS MESSAGE AND ASSOCIATED LIGHT ILLUMINATED IN CRUISE. MAN PRESSURIZATION MODE SELECTED. DURING DECENT UNABLE TO CONTROL CABIN PRESSURE. MASKS DEPLOYED AND EMERGENCY DESCENT COMPLETED. CORRECTIVE ACTION: FOUND WATER SUPPLY LINE TO AFT GALLEY LEAKING CAUSING ICE AROUND OUTFLOW VALVE. REMOVED ICE, OUTFLOW VALVE OPS CHK GOOD. MTC FOR OTHER SYS IN PROGRESS. (7989999)

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