# SDR UIEA201805010810

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2018
- Submitted: May 1, 2018
- Operation: Air carrier
- Aircraft: [N1399A](https://openairdocs.org/aircraft/N1399A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 27959
- Aircraft time: 86,477 hours, 15,999 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Isolation Valve
- Condition: Malfunctioned
- Location: Right
- Stage of operation: TX
- 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/UIEA201805010810

## Discrepancy

PRIOR TO BLOCKOUT,  RT BLEED ISOLANTION VALVE EICAS MESSAGE COUPLED WITH A VALVE DISAGREEMENT LIGHT ON THE RT ISOLATION SWITCH.  CLEANED THE RT BLEED VALVE.  EXERCIZED THE VALVE MANUALLY. OPS CHECKED NORMAL IAW AMM 36-11-04.

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