# SDR UPS01435269

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 2001
- Submitted: March 13, 2001
- Operation: Air carrier
- Aircraft: [N691UP](https://openairdocs.org/aircraft/N691UP), registered now
- Make and model: Boeing 747121
- Aircraft serial: 19641
- Engine: Pwa JT9D7A
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Location: Nr 3 Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS01435269

## Discrepancy

INSPECTION TYPE:PFLT DURING INITIAL ROTATION FOR T/O SMOKE (LITE SMOKE) ENTERED COCKPIT AND SPREAD INTO CABIN.  PUT ON OXY MASKS, INCLUDING 1 ACM FOLLOWED SMOKE ELIMINATION CHECK LIST.  SMOKE CLEARED IN SHORT TIME.  ODOR, BUT NOT OF RUBBER OR ELEC WIRING.  *S/D*  T/S REVEALED NR 3 ENGINE HAD HIGH O2 CONSUMPTION.  FOUND NR 3 ENGINE EVC OFF SCHEDULE AT START, AS CAUSE OF O2 LOSS. PERFORMED ENGINE/EVC TRIM AS PRESCRIBED BY AMM 71-00-00.  FURHTER O2 LOSS NOTED ON ENGINE RUN.

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