# SDR ASAA2017012119479

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 21, 2017
- Submitted: January 23, 2017
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 38,758 hours, 11,746 cycles
- System (JASC): [2425 · AC Indicating System](https://openairdocs.org/jasc/2425)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2017012119479

## Discrepancy

AFTER ENGINE START NR 2 ENGINE GEN OFF BUS AND SOURCE OFF LIGHTS ILLUMINATED. GEN TRIPPED OFF AFTER BEING CONNECTED TO BUS. GROUNDED - YES. ACCOMPLISHED NR 2 GENERATOR CONTROL UNIT BITE PROCEDURE. FOUND IDG FAULT LIGHT ILLUMINATED. RESET FAULT LIGHT. RE-CONNECTED NR 2 IDG. ACCOMPLISHED ENGINE RUN. NR 2 GENERATOR OPS CK GOOD. REF FIM 24-21 TASK 806. NO HISTORY PAST 30 DAYS. THIS CLEARS MEL 24-1B. AIRCRAFT CONDITION RESTORED TO NORMAL. LAMPS REINSTALLED INTO THE GENERATOR DRIVE LIGHT AND GEN OFF BUS LIGHT. RE-CONNECTED NR 2 IDG. VERIFIED VOLTS AND FREQS ON NR 2 GENERATOR. GEN DISCONNECT SWITCH GUARD RE-SAFETIED.

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