# SDR ASAA1058567

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 29, 2010
- Submitted: December 9, 2010
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 12,181 hours, 3,713 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Pressure Switch
- Condition: Inoperative
- Location: Nr 1 Idg
- Part time: 12,093 hours, 3,629 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1058567

## Discrepancy

NR 1 ENG IDG DRIVE LIGHT IS INOP.  GROUNDED ACFT. FOUND IDG PRESSURE SWITCH TO HAVE HIGH INTERNAL RESISTANCE. REMOVED AND REPLACED NR 1 IDG ASSY REF MM 24-11-11-400-801. OPS CHKD GOOD REF: MM 24-11-00-700-802.

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