Service difficulty report · Valve · Boeing 7379

Difficulty date
November 10, 2023
Submitted
November 13, 2023
Operation
Air carrier
Aircraft
N942AK
Make and model
Boeing 7379
Aircraft serial
44102
Aircraft time
5,450 hours, 1,576 cycles
Engine
Cfmint LEAP1B21
Part
Valve
Part number
632920682
Part serial
2985
Condition
Faulty
Location
#1 Engine
Part time
5,450 hours, 1,576 cycles
Stage of operation
LD
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

"MAINT" LIGHT AFTER LANDING. GROUNDED - YES. FOUND ACTIVE FAULT ISOLATION 36-11020, ACCOMLISHED IFIM 36-11-00-810-802 PNEUMACTIC ENGINE ON SYSTEM TEST AMM 36-00-00-730-801 MAINT LIGHT REMAINS ON,69096. REMOVED AND REPLACED THE #1 ENG HPSOV REF AMM 36-11-07-000-801, LEAK TEST LRU REPLACMENT TEST AND SYSTEM TEST OK, SEAMC DOUG NOTIFIED , MAINT LIGHT EXTINGUSHED.

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