# SDR R61A20110144

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2011
- Submitted: June 13, 2011
- Operation: Air carrier
- Aircraft: [N127HQ](https://openairdocs.org/aircraft/N127HQ), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000206
- Aircraft time: 9,026 hours, 7,257 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Computer
- Part number: 70253651901
- Part serial: 07083304
- Condition: Inoperative
- Location: Mau 2
- Part time: 9,027 hours, 7,258 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/R61A20110144

## Discrepancy

CREW REPORTED MAU 2B FAIL IN FLIGHT, TOWER DECLARED EMERGENCY FOR CREW AND AIRCRAFT LANDED WITHOUT INCIDENT AT PHL.  MAINTENANCE TROUBLESHOT AND REMOVED AND REPLACED GEN I/O 2 IN MAU 2 PER EMB AMM, OPS CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.