# SDR ABXA2023013016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2023
- Submitted: January 30, 2023
- Operation: Air carrier
- Aircraft: [N749AX](https://openairdocs.org/aircraft/N749AX), registered now
- Make and model: Boeing 767232
- Aircraft serial: 22226
- Aircraft time: 87,370 hours, 40,103 cycles
- Engine: Ge CF680A2
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Regulator Valve
- Part number: 773857719
- Part serial: MJ1161
- Condition: Defective
- Location: Lt Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA2023013016

## Discrepancy

LEFT ENGINE BLEED OFF, 0 DUCT PRESSURE DURING TAXI. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE  REMOVED AND REPLACED LEFT HPSOV IAW B767 AMM 36-11-07 . OPS AND BITE CHECK GOOD. ACCOMPLISHED BLEED SHIFT CHECK IAW B767 AMM 36-11-00, CHECKS GOOD 84%N2. AIRCRAFT RETURNED TO SERVICE.

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