Service difficulty report · Modulating Valve · Boeing 7379

Difficulty date
August 9, 2022
Submitted
August 11, 2022
Operation
Air carrier
Aircraft
N926AK
Make and model
Boeing 7379
Aircraft serial
43314
Aircraft time
1,980 hours, 586 cycles
Part
Modulating Valve
Part number
UNKNOWN
Condition
Warning Light
Location
Unknown
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

ON LANDING, GOT MASTER CAUTION OVERHEAD MAINT. LIGHT. GROUNDED - YES. STATUS PG. SHOWS BLEED FAMV R MSG. WITH INBD FLT DECK EFFECT MAINT. MSG. 36-12021 ENG 2 FAMV IS NOT IN COMMANDED POSITION. ACCOMP B737-9 IFIM TASK 31-00-00-810-801. ACCOMP. IFIM TASK 36-12-00-810-802. WITH INITIAL EVALUATION ACCOMP. PNEUMATIC ENG ON SYS TEST ON #2 ENG REF B737-9 AMM 36-00-00-730-801. TEST PASSED. FAULT NO LONGER APPEARS ON STATUS PG. FAULT NO LONGER ACTIVE ON INBD FLT DECK EFFECT OR EXISTING FAULTS. MAINT. LIGHT EXTINGUISHED. NO HISTORY 30 DAYS O.K. FOR SVC.

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