# SDR ABXA20260801344

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2026
- Submitted: August 3, 2026
- Operation: Air carrier
- Aircraft: [N1013A](https://openairdocs.org/aircraft/N1013A), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30110
- Aircraft time: 93,069 hours, 15,567 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Controller
- Part number: 79275515
- Part serial: 9806139
- Condition: Malfunctioned
- Location: Zone 500
- Part time: 4,836 hours, 872 cycles
- 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/ABXA20260801344

## Discrepancy

L ENG BLEED OFF AND L PACK OFF EICAS LIGHT AND L ENG OFF (PNEUMATIC) VALVE LIGHT AND PACK OFF OVERHEAD LIGHT. C/X MC 227 AND CYCLED L ENG BLEED VALVE. AT 85% N2 AND VALVE NEVER OPENED, TOLD BY MAINTENANCE CONTROL TO RETURN TO THE GATE  T/S AS PER FIM. 36-20 FT 804, FOUND PRVC CONTROLLER INOP. REMOVED / REPLACED PRVC IAW AMM 36-11-19,  ALSO FOUND #1 LH PRV FLEXIBLE HOSE LEAKING REMOVED AND REPLACED #1 ENG PRV FLEXABLE HOSE AS PER AMM 36-11-18, LEAK CHK GOOD. IDLE RUN #1 ENG PER AMM 71-00-00. NO ENG BLEED OFF OR EICAS MESSAGES. A/C REMIANS NO ETOPS  RETUNED AC TO SERVICE

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