What was found
NR 1 ENG BITE TEST HAS FAULT 73-30301. INTERNAL EEC FAULT. THE PMUX SIGNALS DISAGREE. ECONOMIC FAULT. GROUNDED - YES. ON DEFERRAL. REMOVED AND REPLACED NR 1 ENGINE EEC REF AMM 73-21-60. OPS TESTS GOOD. THIS CLEARS PLT.
- Difficulty date
- January 21, 2019
- Submitted
- January 25, 2019
- Operation
- Air carrier
- Aircraft
- N581AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35188
- Aircraft time
- 44,855 hours, 13,415 cycles
- System (JASC)
- 7321 · Fuel Control/Turbine Engines
- Part
- Eec
- Part number
- 1853M33P06
- Part serial
- LMDN7678
- Condition
- Faulty
- Location
- Nr 1 Engine
- Part time
- 49,358 hours, 17,918 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.