Service difficulty report · Modulating Valve · Boeing 7379

Difficulty date
May 6, 2023
Submitted
May 15, 2023
Operation
Air carrier
Aircraft
N933AK
Make and model
Boeing 7379
Aircraft serial
44098
Aircraft time
4,235 hours, 1,252 cycles
Part
Modulating Valve
Part number
632920704
Part serial
2827
Condition
Faulty
Location
Nr 2 Engine
Part time
4,452 hours, 1,309 cycles
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING ACCOMPLISHMENT OF T/C 31-005-00 #2 ENG HAS FAULT MSG 36-12031 BLEED FAMV RVDT R. GROUNDED - YES. PERFORMED B737-9 IFIM TASK 36-12-00-810-804. WIRING CHECKS COMPLETED AND TESTED GOOD REF B737-9 WDM 36-11-23-1. REMOVED AND REPLACED R/H ENG FAMV REF B737-9 AMM 36-12-03. OPS CHECK NORMAL TESTS PASSED. NO FAULTS.

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