# SDR UIEA2021101202221

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2021
- Submitted: October 18, 2021
- Operation: Air carrier
- Aircraft: [N640GT](https://openairdocs.org/aircraft/N640GT), registered now
- Make and model: Boeing 767-3S1
- Registry model: [Boeing 767-3S1](https://openairdocs.org/model/boeing-767-3s1) (OpenAirDocs)
- Aircraft serial: 25221
- System (JASC): [3600 · Pneumatic System](https://openairdocs.org/jasc/3600)
- Part: None
- Part number: 77328915
- Part serial: 910621
- Condition: None
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021101202221

## Discrepancy

R ENG HPSOV INOP ( (HPSOV) (SECURED CLOSED) )(<P>DEFERRED INOP AS PER MEL 36-11-02-02, CAT C, MDDR 154961, ASSIGNED ACTIONS C/W.</P> / <P>17OCT-BWI MX: LP 1474431, ITEM M6: R&R CONTROL ASSY. FOR RH HPSOV IAW AMM 36-11-08. OPS CHECK GOOD. NO LEAKS & NO FAULTS ON BITE TEST. </P> / <P>LP 1474432, ITEM M7: PER AMM 36-11-08 ENGINE RUN NOT REQUIRED. REFERENCE LP 1474431 ITEM M6 FOR R/R OF HPSOV CONTROLLER AND OPS CHECK. THIS

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