# SDR DLL10980944

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 2, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N728DA
- Make and model: Lkheed 10113851
- Aircraft serial: 193C1173
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Actuator
- Condition: Inoperative
- Location: Nr 3 Pack
- Stage of operation: TO
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DLL10980944

## Discrepancy

ON TAKEOFF, NR 3 PACK OVERHEATED CAUSING A GREAT DEAL OF SMOKE IN THE CABIN.  FOUND NUMBER 3 PACK RAM AIR DOOR ACTUATOR STUCK.  REPLACED ACTUATOR.

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