# SDR 99UAL900194

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N156UA
- Make and model: Boeing 747123
- Aircraft serial: 20105
- Engine: Pwa JT9D7A
- System (JASC): [7603 · Power Lever](https://openairdocs.org/jasc/7603)
- Part: Pulley
- Condition: Dirty
- Location: Nr 2 Throttle
- Stage of operation: TX
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99UAL900194

## Discrepancy

AFTER ARRIVAL, NR 2 THROTTLE EXCESSIVELY STIFF.  FOUND DEBRIS AT PULLEY TOP OF THE NR 2 PYLON.  CLEANED DEBRIS AND OPS CHECKED OK.

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