# SDR Q2SA761003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2010
- Submitted: May 25, 2010
- Operation: Air carrier
- Aircraft: N761SA
- Make and model: Boeing 747-2F6B
- Registry model: [Boeing 747-2F6B](https://openairdocs.org/model/boeing-747-2f6b) (OpenAirDocs)
- Aircraft serial: 21832
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Smoke
- Location: Nr 3
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Q2SA761003

## Discrepancy

SMOKE IN THE COCKPIT.  FUMES/SMOKE EMANATING FROM NR 3 A/C PACK AND OR TRIM VALVE (NO PACK OVERHEAT OR TRIP.  PERFORMED AIR CONDITIONING SYSTEM CONTAMINATION CHECK PER AMM 21-00-01, PG 201 ON NR 3 PACK AND TRANSFERRED TO DI 22075 PER MEL 21-1-2B, PLACARD INSTALLED.

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