# SDR UIEA2018083001852

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 30, 2018
- Submitted: August 31, 2018
- Operation: Air carrier
- Aircraft: [N1709A](https://openairdocs.org/aircraft/N1709A), registered now
- Make and model: Boeing 767375
- Aircraft serial: 24086
- Aircraft time: 91,026 hours, 20,977 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Modulating Valve
- Part number: 7738556
- Part serial: 9910062
- Condition: Faulty
- Location: Bleed Air Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2018083001852

## Discrepancy

LEFT ENGINE BLEED INOP / (FAN AIR (PRECOOLER) CONTROL SYSTEMS. REMOVED AND REPLACED FAN AIR MODULATING VALVE IAW AMM 36-11-16 , PERFORMED OPERATIONAL TEST AND FAN AIR VALVE BITE TEST IAW AMM 36-11-16 NO FAULTS NOTED, THE SYSTEM WORKS NORMAL AT THIS TIME.

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