# SDR 2004UALA00889

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2004
- Submitted: October 5, 2004
- Operation: Air carrier
- Aircraft: N339UA
- Make and model: Boeing 737322
- Aircraft serial: 24243
- Aircraft time: 47,292 hours, 26,149 cycles
- Engine: Ge CFM56*
- System (JASC): [2410 · Alternator-Generator Drive](https://openairdocs.org/jasc/2410)
- Part: Planetary Gear
- Condition: Worn
- Location: Nr 2 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00889

## Discrepancy

DIVERTED UNDER AMBER ALERT WITH NR 2 ENGINE MOVED TO IDLE DUE TO NR 2 GENERATOR PROBLEM. REPLACED CSD AND CSD OIL COOLER. SHOP FOUND A WORN PLANETARY GEAR USED FOR INTERNAL CSD LUBRICATION.

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