# SDR UIEA2019072804877

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2019
- Submitted: July 29, 2019
- Operation: Air carrier
- Aircraft: [N1381A](https://openairdocs.org/aircraft/N1381A), registered now
- Make and model: Boeing 767316
- Aircraft serial: 27615
- Aircraft time: 86,625 hours, 18,581 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Condition: Malfunctioned
- Location: Bleed Air Sys
- Stage of operation: NR
- 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/UIEA2019072804877

## Discrepancy

L ENG BLEED OFF EICAS. (<P>REMOVED AND REPLACED PRESSURE REGULATOR CONTROLLER IAW AMM 36-11-19. DURING OPS CHECK SAME MESSAGE OCCURRED. NO FIX. FURTHER T/S REQUIRED.<BR /></P><P>LP 1052746 - M3: SWAPPED PRV TO THE HPSOV POSITION IAW AMM 36-11-07 AND SWAPPED THE HPSOV TO THE PRV POSITION IAW AMM 36-11-18. OPS CHECK NEEDS TO BE COMPLIED WITH. P/N 802170-12 FOR BOTH PRV & HPSOV, NSN.</P><P>LP 1052747 - M4: PERFORMED OPS CHECK OF THE #1 ENGINE PRV AND HPSOV IAW AMM 36-11-07, 36-11-18. OPS CHECK AND LEAK CHECKS GOOD AT THIS TIME.</P><P>LP 1052747 - M5: INSTALLED NEW O-RING ON ELBOW FITTING FOR ENGINE #1 PRV IAW AMM 36-11-18. OPS CHECKS AND LEAK CHECKS GOOD AT THIS TIME.</P><P>LP 1052747 - M6: INSTALLED NEW O-RING ON UNION FITTING FOR THE #1 ENGINE HPSOV. OPS CHECKS AND LEAK CHECKS GOOD AT THIS TIME IAW AMM 36-11-07.</P><P>LP 1052748 - M8: INSPECTED WIRING ON THE #1 ENGINE HPSOV AND FOUND BROKEN WIRE ON THE #2 TERMINAL STUD. CRIMPED NEW RING TERMINAL ON THE #2 TERMINAL STUD HARNESS IAW SWPM 20-60-00. OPS CHECK GOOD AT THIS TIME.</P>)

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