# SDR AALA202609157435

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2026
- Submitted: September 16, 2026
- Operation: Air carrier
- Aircraft: [N904NN](https://openairdocs.org/aircraft/N904NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33317
- Aircraft time: 40,636 hours, 17,918 cycles
- Engine: Cfmint CFM567B24E
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Bleed Valve
- Part number: 32144464
- Part serial: 11563
- Condition: Inoperative
- Location: 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/AALA202609157435

## Discrepancy

AIRCRAFT WAS GROUNDED:  LAS-MIA HAS DIVERTED FOR REPORTED ENGINE BLEED ISSUE.  EMERGENCY WAS DECLARED AND FLIGHT WAS OVERWEIGHT FOR LANDING.  FLIGHT LANDED IN PHX WITHOUT INCIDENT.  BLEED TRIP OFF LIGHT ILLUMINATED AFTER TAKE OFF FROM LAS. BLEEDSOFF TAKEOFF PROCEDURE USED AND LIGHT ILLUMINATED APPROX 1000' AGL.  REMOVED AND REPLACED HIGH STAGE VALVE (HSV) ON RIGHT ENGINE. LEAK AND OPERATIONAL TEST PERFORMED IAW AMM 36-11-06.

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