# SDR AALA20100321LAX02

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2010
- Submitted: November 19, 2010
- Operation: Air carrier
- Aircraft: [N818NN](https://openairdocs.org/aircraft/N818NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30910
- Aircraft time: 865 hours, 290 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Actuator
- Condition: Faulty
- Location: Left
- Stage of operation: CL
- How discovered: O
- Nature of condition: B, M
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20100321LAX02

## Discrepancy

LAX - CREW REPORTED LEFT PACK OVERHEAT INDICATION DURING CLIMBOUT WITH STRONG BURNING SMELL IN  COCKPIT AND CABIN.  EMERGENCY DECLARED FLIGHT RETURNED LAX LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  FOUND ZONE 1 CONTROLLER FAULTING RAM AIR ACTUATOR.  REPLACED LEFT RAM AIR  ACTUATOR.  SYSTEM GROUND CHECK NORMAL OPERATION.

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