# SDR ABXA2025010704

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2025
- Submitted: January 7, 2025
- Operation: Air carrier
- Aircraft: [N371CM](https://openairdocs.org/aircraft/N371CM), registered now
- Make and model: Boeing 767338
- Aircraft serial: 25577
- Aircraft time: 90,770 hours, 31,428 cycles
- System (JASC): [7500 · Engine Bleed Air System](https://openairdocs.org/jasc/7500)
- Part: Warning Message
- Condition: False Activation
- Location: Lt Bleed
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA2025010704

## Discrepancy

DURING TAXI UPON COMPETITION OF ENGINE START WE RECEIVED AN EICAS L ENG BLEED OFF ,AC REURNED TO THE GATE (BTB)  AND MTX GROUNDED AC , EXERCISED PRSOV VALVE (L/H) CYCLED CARD LH ENG BLEED AIR, OPERATIONAL TEST GOOD IAW AMM 36-11-00. RAN LH ENGINE NO FAULTS NOTED OPS CHECK GOOD IAW AMM 71-00-00 A/C REMAINS NO ETOPS AND RETURNED AC 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.