Service difficulty report · Shutoff Valve · Boeing 76731K

Difficulty date
September 20, 2021
Submitted
September 23, 2021
Operation
Air carrier
Aircraft
N1489A
Make and model
Boeing 76731K
Aircraft serial
27206
Part
Shutoff Valve
Part number
80217012
Part serial
940824
Condition
Binding
Stage of operation
CR
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

STATUS MESSAGE R ENG HPSOV(NOTICED IN FLIGHT) 2 INTERMITTENT EICAS R ENG HPSOV(<P>PERFORMED FIM TASK 36-10 FT 833 UP TO BLOCK 40. PERF AIR SUPPLY BITE PROCEDURE IAW AMM 36-20-00. R ENG HPSOV FAULTING ON BITE. PERFORMED LEAK TEST/OPS CHECK ON HPSOV HP CONTROLLER. NO LEAKS NOTED ON SENSE LINES. HPSOV FAILED LEAK TEST & TOOK LESS THAN 20 SECONDS TO CLOSE. FOUND HPSOV BINDING WHILE MANUALLY OPENING & CLOSING. REF LP 1391411(M7) FOR HPSOV R&R.</P> / <P>20SEP21/1391411/7/ONT REMOVED AND REPLACED R/H (#2) HPSOV IAW B767 AMM 36-11-07. OPERATIONAL CHECK SATISFACTORY. A/C OK FOR SERVICE.</P>)

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