Service difficulty report · Shutoff Valve · Boeing 7379

Difficulty date
November 12, 2022
Submitted
November 14, 2022
Operation
Air carrier
Aircraft
N929AK
Make and model
Boeing 7379
Aircraft serial
43322
Aircraft time
3,213 hours, 925 cycles
Engine
Cfmint LEAP1B28
Part
Shutoff Valve
Part number
632160643
Part serial
1323
Condition
Faulted
Location
Nr 2 Bleed
Part time
3,216 hours, 926 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RT BLEED LIGHT IS ON. GROUNDED - YES. FOUND R/H PRSOV FAULT 36-11-051 AND 36-00171. REPLACED #2 ENGINE PRSOV REF B737-9 AMM 36-11-04. PNEUMATIC LEAK CHECK AND OPS CHECK PASSED. PERFORMED LRU REPLACEMENT TEST AND PNEUMATIC ENGINE ON-SYSYEM TEST, ALL TEST PASSED REF AMM 36-00-00. NO MAINT MESSAGES PRESENT.

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