# SDR ASAA2020020932120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2020
- Submitted: February 11, 2020
- Operation: Air carrier
- Aircraft: [N478AS](https://openairdocs.org/aircraft/N478AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44105
- Aircraft time: 18,189 hours, 5,885 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH011521
- Condition: Leaking
- Location: Nr 1
- Part time: 18,186 hours, 5,883 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020020932120

## Discrepancy

#1 ENG IDG HISTORY OF FREQUENT SERVICING. GROUNDED - YES. REMOVED AND REPLACED #1 ENG IDG REF B737-900 AMM 24-11-11. OPS CHECK GOOD. LEAK CHECK GOOD. REMOVED IDG INSPECTED FOR DEBRIS W/ NO DEFECTS NOTED REF AMM 24-11-11-080-801.

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