# SDR ASAA2021060134996

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2021
- Submitted: June 3, 2021
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 47,267 hours, 14,082 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Idg
- Part number: 761574B
- Part serial: AAAH005934
- Condition: Leaking
- Location: #1 Engine
- Part time: 36,107 hours, 10,846 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/ASAA2021060134996

## Discrepancy

#1 ENGINE IDG CHARGE FILTER BYPASS VALVE COVER LEAKING OIL WHEN IDG IS PRESSURIZED. REF TSR710845. GROUNDED - YES. REMOVED AND REPLACED #1 IDG REF B737-800 AMM 24-11-11. OPS CHECK GOOD. NO LEAKS OR DEFECTS NOTED.

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