# SDR ARWA981103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N791AL
- Make and model: Doug DC-8-62
- Registry model: [Doug DC-8-62](https://openairdocs.org/model/mcdonnell-douglas-dc-8-62) (OpenAirDocs)
- Aircraft serial: 46150
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Actuator
- Part number: 525116
- Condition: Not Secured
- Location: Selector Vlv
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA981103

## Discrepancy

UNABLE TO PRESSURIZE CABIN ALTITUDE REACHED 10,000 A/C ALTITUDE WAS 10,000 NO DOOR WARNING LIGHTS ILLUMINATED.  T/S FOUND REC FAN AIR SELECTOR VALVE ACTUATOR NOT SECURED.  SECURED AIR SELECTOR VALVE ACTUATOR IAW M/M 21-21-5, OPS NORMAL ON RUN UP.

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