What was found
FAULT FAILURE LEFT (OR RIGHT) HPSOV CLOSED AND OPEN SWITCHES DISAGREE.(<P>PERFORMED FIM TASK 36-20 TREE 804 STEPS 1,2,3 AND 36. HPSOV FOUND FAULTING.</P><P><BR /></P><P>REMOVED AND REPLACED HPSOV IAW AMM 36-11-07, OPS CHECK OK</P>)
- Difficulty date
- June 1, 2021
- Submitted
- June 3, 2021
- Operation
- Air carrier
- Aircraft
- N643GT
- Make and model
- Boeing 7673JHF
- Aircraft serial
- 37809
- Aircraft time
- 21,068 hours, 5,500 cycles
- System (JASC)
- 3620 · Pneumatic Indicating System
- Part
- Shutoff Valve
- Part number
- 80217012
- Part serial
- 200304122
- Condition
- Faulted
- Location
- Left
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.