# SDR TSAA1077001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2010
- Submitted: January 12, 2010
- Operation: Air carrier
- Aircraft: [N841AL](https://openairdocs.org/aircraft/N841AL), registered now
- Make and model: Boeing 737-2X6C
- Registry model: [Boeing 737-2X6C](https://openairdocs.org/model/boeing-737-2x6c) (OpenAirDocs)
- Aircraft serial: 23123
- Aircraft time: 64,907 hours, 64,021 cycles
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Duct
- Condition: Cracked
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA1077001

## Discrepancy

FLT NR 58 (HNL  ITO)- ON CLIMB OUT, NR 1 ENG FIRE WARNING LIGHT STARTED TO FLICKER AND BELL STARTED TO RING. PULLED BACK TO IDLE CONTINUED TO FLY AT IDLE, LIGHT AND BELL WENT OUT. R & R NR1 NOSE COWL DUCT DUE TO CRACK.  PERFORMED HIGH POWER ENGINE RUN LEAK AND OPS CK GOOD IAW AMM 75-11-61 PG 401.  ACFT RETURNED 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.
