# SDR AALA20160324003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2016
- Submitted: March 24, 2016
- Operation: Air carrier
- Aircraft: N9401W
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53137
- Aircraft time: 65,615 hours, 32,223 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Shutoff Valve
- Part number: 39271411
- Part serial: 2918
- Condition: Faulty
- Location: Ac Bay
- Part time: 103,183 hours, 52,355 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20160324003

## Discrepancy

AIRCRAFT WAS GNDED, AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT WAS OVERWEIGHT.  DURING FLIGHT, CABIN CREW REPORTED SEEING SMOKE & VAPOR FROM THE AIR CONDITIONING VENTS & ODOR DESCRIBED VARIOUSLY AS BURNED RUBBER, ELEC & FUEL.  ACCOMPLISHED CARD 21-96-01.  R & R LT & RT PRESS REGULATING SHUTOFF VLVS & ACCOMPLISHED LEAK CHECK IAW AMM 21-31-01.  SEE ALSO AALA 20160330010.

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