# SDR AALA2019120329013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2019
- Submitted: December 3, 2019
- Operation: Air carrier
- Aircraft: N691AA
- Make and model: Boeing 757223
- Aircraft serial: 25697
- Aircraft time: 90,051 hours, 24,907 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 734284
- Part serial: 6422
- Condition: Unreliable
- Location: Rt Generator
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019120329013

## Discrepancy

AIRCRAFT NOT GROUNDED: PILOT REPORTS ON TAKEOFF ROLL PRIOR TO 80KNOTS RIGHT GEN TRIPPED OFFLINE #1 EICAS MESSAGE ILLUMINATED.  DISCONTINUED T/O. FOLLOWED QRH. RESET GEN #1 RAN APU. NEXT TAKEOFF ABOVE 80 KNOTS RIGHT GEN TRIPPED OFFLINE. CONTINUED TAKEOFF. MAINTENANCE REPLACED RH GENERATOR CONTROL UNIT IAW AMM 24-22-02. OPS CHECKS GOOD. OK FOR SERVICE.

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