# SDR TWRA0017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2000
- Submitted: April 11, 2000
- Operation: Air carrier
- Aircraft: N616FF
- Make and model: Boeing 747 212B
- Registry model: [Boeing 747 212B](https://openairdocs.org/model/boeing-747-212b) (OpenAirDocs)
- Aircraft serial: 21939
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Malfunctioned
- Location: Nr 1
- Stage of operation: CR
- 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/TWRA0017

## Discrepancy

NR 1 PACK BEGAN TO RUMBLE AND PRODUCE SMOKE IN THE CABIN.  A/C SMOKE EMERGENCY CHECKLIST AND SHUTDOWN NR 1 PACK.  ACCOMPLISH ONE PACK CHECKLIST, MAINTAIN NORMAL PRESSURE.  (M)

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