# SDR RJEF20150513001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2015
- Submitted: May 18, 2015
- Operation: Air carrier
- Aircraft: N985TA
- Make and model: Emb ERJ 190-100 IGW
- Registry model: [EMB ERJ 190-100 IGW](https://openairdocs.org/model/embraer-erj-190-100-igw) (OpenAirDocs)
- Aircraft serial: 19000287
- Engine: Ge CF3410E6
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Part number: 1701321D
- Part serial: 2127
- Condition: Inoperative
- Location: Zone 100
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/RJEF20150513001

## Discrepancy

AFTER LANDING AS FLIGHT TAI 536, THE PILOT REPORTED DC BUS 2 OFF DUE TO TR 2 FAILURE.  IAW FIM 24-31-00-810-806-A & AMM 24-21-19-000 400-801-A THE GCU NR 2 WAS REPLACED.  THE APPLICABLE OPERATIONAL TEST PERFORMED WITH NO FAILURE MSGS.  ONCE THE CORRECTIVE MX ACTIONS WERE COMPLETED, THE ACFT WAS RETURNED INTO SERVICE.

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