- Difficulty date
- October 5, 2021
- Submitted
- October 11, 2021
- Operation
- Air carrier
- Make and model
- Boeing 7673S1
- Aircraft serial
- 25221
- Aircraft time
- 94,083 hours
- Part
- Valve
- Part number
- 80217012
- Part serial
- 200006074
- Condition
- None
- Stage of operation
- DE
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESCENDING THROUGH 4000 FEET R ENG HPSOV EICAS MESSAGE DISPLAYED. ACCOMPLISHED ASSOCIATED QRH PROCEDURE.(<P>DEFERRED INOP AS PER MEL 36-11-02-02, CAT C (M) ACTIONS COMPIED WITH (RT HPSOV LOCKED OUT). MDDR #154596 ASSIGNED. STR @ 0841Z.</P> / <P>09OCT21 - 1314879 - ITEM# 4 - IAH - REMOVED AND REPLACED HPSOV IAW 36-11-00. THIS CLEARS MDDR 154596.</P>)