# SDR TSAA0436050

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2004
- Submitted: June 24, 2004
- Operation: Air carrier
- Aircraft: N742AL
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 30830
- Aircraft time: 11,340 hours, 3,241 cycles
- Engine: Cfmint CFM567B2US
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 1074925
- Part serial: 7214
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 5,894 hours, 1,702 cycles
- 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/TSAA0436050

## Discrepancy

THE NUMBER TWO ENGINE BLEED TRIPPED IN FLIGHT, DIVERTED TO HNL.  PERFORMED ENGINE GROUND RUN-UP TO VERIFY BLEED TRIP AND OPS CHECK, RUN-UP OK.  REMOVED AND REPLACED THE NR 2 ENGINE BLEED AIR REGULATOR FOR TROUBLESHOOTING IAW AMM 36-11-03-4, LEAK AND OPS CHECK OK.  REMOVED AND REPLACED 390 TEMP SENSOR (PRE-COOLER CONTROL VALVE SENSOR) IAW AMM 36-12-03-04, LEAK AND OPS CHECK OK.  AIRCRAFT RETURNED TO SERVICE.

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