# SDR 2008UALA03579

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2008
- Submitted: July 15, 2008
- Operation: Air carrier
- Aircraft: N597UA
- Make and model: Boeing 757222
- Aircraft serial: 28750
- Aircraft time: 37,152 hours, 10,334 cycles
- Engine: Pwa PW2037
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Condition: Malfunctioned
- Location: Left
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA03579

## Discrepancy

THE L GEN DRIVE LT ILLUMINATED AT APPLICATION OF TAKEOFF THRUST.   PROBLEM IDG (CHRONIC) UNIT WAS INSTALLED ON A/C ON 6/17/08, FAILED AGAIN ON 6/25.  LAST SHOP VISIT WAS NFF, BUT REPLACED LOG, C/P SWITCH, AND INPUT SEAL AND FILTER.  IDG REMOVED AND TAGGED AND SENT TO SHOP FOR T/S AND REBUILD.  NEW IDG INSTALLED.

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