# SDR C2XA02IA188

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2002
- Submitted: September 9, 2002
- Operation: Air carrier
- Aircraft: [N13978](https://openairdocs.org/aircraft/N13978), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145180
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: B-Nut
- Part number: 23075454
- Condition: Loose
- Location: Nr 2 Engine
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA02IA188

## Discrepancy

IAH-  DURING TAKEOFF THE CREW NOTED THAT E2 ATTCS NO MARGIN, REJECTED TAKEOFF.  MAINTENANCE INSPECTED THE ENGINE AND FOUND A LOOSE B-NUT ON THE START CONTROL VALVE.  MAINTENANCE TIGHTENED THE B-NUT AND PERFORMED A ENGINE RUN ON THE NR 2 ENGINE.  NO DEFECTS NOTED AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

---
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.