# SDR UPS06846056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2006
- Submitted: January 27, 2006
- Operation: Air carrier
- Aircraft: N755UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 46055
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Failed
- Location: Cabin Cooling
- 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/UPS06846056

## Discrepancy

PACK TRIP OVERHEAT LIGHT ON LANDING ALTHOUGH WE HAD SECURED PACK WITH NORMAL CONFIGURATION.  SMOKE IN COCKPIT.  PACK TRIP DUE TO LOSS OF NR 4 GEN BUSS.  RESET BATTERY POWER SWITCH.  PERFORMED ADJ/TEST IAW MM 21-55-00-5.  RAN ENGS SYSTEM OPS CK GOOD.

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