# SDR DL757001257

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2000
- Submitted: July 14, 2000
- Operation: Air carrier
- Aircraft: N606DL
- Make and model: Boeing 757232
- Aircraft serial: 22813
- Aircraft time: 51,174 hours, 27,905 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Actuator
- Part number: 20224806
- Part serial: 12142
- Condition: Failed
- Location: Outflow Valve
- Stage of operation: CL
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL757001257

## Discrepancy

ON TAKEOFF PASSING 5,000, RECEIVED CABIN AUTO INOP EICAS CAUTION MSG AND CABIN ALT AUTO 1 AND 2 STATUS MSG.  SELECTED MANUAL BUT UNABLE TO MOVE OUTFLOW VLV, UNABLE TO PRESS AIRCRAFT.  FOUND OUTFLOW VLV ACTUATOR CAP BROKEN OFF.  REPLACED ACTUATOR ASSY, CKS OK.  PRESSURIZED A/C, NO PROBLEMS NOTED.

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