Service difficulty report · Eec · Boeing 737990ER

Difficulty date
July 17, 2023
Submitted
July 19, 2023
Operation
Air carrier
Aircraft
N442AS
Make and model
Boeing 737990ER
Aircraft serial
43293
Aircraft time
35,987 hours, 11,343 cycles
Part
Eec
Part number
2042M67P02
Part serial
FFFB1170
Condition
Faulty
Location
Engine #2
Part time
25,658 hours, 7,428 cycles
Stage of operation
IN
How discovered
V
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

REF. TC. 78273000 ENGINE NUMBER 2 SHOWS ST FAULT. 73-10322, THE HMU FMV CONTROL CURRENT IS OUT OF RANGE. GROUNDED - YES. REF. DEFECT 60495184 -- #2 ENGINE EEC REMOVED AND REPLACED PER AMM 73-21-60-000-801-F00. FOUR MIG-51A TAGS INTALLED AND REMOVED. SOFTWARE 2044M25P20 VERIFIED DURING AMM TASK 73-21-00-700-808-F00. ACCOMPLISED FADEC TESTS PER AMM 73-21-00-700-802-F00, ALL TESTS PASS WITH NO DEFECTS NOTED. SEAMC NOTIFIED. PERFORMED POWERPLANT PERFORMANCE TEST #13 WITH NO FAULTS INDICATED.