SDR ASAA2022060538574

Service difficulty report · Modulating Valve · Boeing 7379

Difficulty date: June 5, 2022
Submitted: June 7, 2022
Operation: Air carrier
Aircraft: N932AK
Make and model: Boeing 7379
Aircraft serial: 44089
Aircraft time: 1,330 hours, 406 cycles
System (JASC): 3610 · Pneumatic Distribution System
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

OVERHEAD MAINT LIGHT ILLUMINATED UPON LANDING. GROUNDED - YES. FAULT CODE: 361 125 42, MAINT MESSAGE: 36-12021 (ENG 2 FAMV IS NOT IN COMMANDED POSITION). ACCOMPLISHED B737-9 IFIM TASK 36-12-00-810-802 THRU STEP B(6) AND PNEUMATIC ENGINE ON-SYSTEM TEST B737-9 AMM 36-00-00-730-801, TEST PASSED, MAINT LIGHT EXTINGUISHED. INTERMITTENT FAULT PER IFIM TASK.

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