# SDR DALA2015120307355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2015
- Submitted: December 3, 2015
- Operation: Air carrier
- Aircraft: N927DN
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53589
- Aircraft time: 39,023 hours, 26,075 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Condition: Failed
- Location: Lt A/C Pack
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2015120307355

## Discrepancy

STRONG ELECTRICAL SMELL ON FINAL.  SMOKE IN COCKPIT AND CABIN.  FOUND LEFT ACM SEIZED.  R & R ACM AND LT PACK TEMP CONTROL VALVE IAW AMM.  OPERATION CHECKS OK.  PERFORMED DUCT BURNOUT IAW MM.  NO ODOR NOTED.

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