# SDR DALA2026070603928

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 4, 2026
- Submitted: July 7, 2026
- Operation: Air carrier
- Aircraft: [N870DN](https://openairdocs.org/aircraft/N870DN), registered now
- Make and model: Boeing 737932ER
- Aircraft serial: 31981
- Aircraft time: 30,394 hours, 11,892 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH006895
- Condition: Leaking
- Location: Left
- Part time: 73,685 hours, 65,173 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026070603928

## Discrepancy

DIVERTED TO RDU DUE TO LEFT ENGINE GENERATOR FAIL AND SUBSEQUENT APU AUTO SHUTDOWN.  FOUND LT IDG OIL COOLER LINE LEAKING. REPLACED LINE AND LT IDG. LEAK AND OPS CHECK GOOD. NO FAULTS ON APU AND OPS CHECK GOOD. (7985735) AIRCRAFT WAS GROUNDED

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