SDR ASAA2022072139156

Service difficulty report · Eec · Boeing 737890

Difficulty date: July 21, 2022
Submitted: July 26, 2022
Operation: Air carrier
Aircraft: N597AS
Make and model: Boeing 737890
Aircraft serial: 35689
Aircraft time: 51,601 hours, 15,436 cycles
Engine: Cfmint CFM567B27
System (JASC): 7320 · Fuel Controlling System
Part: Eec
Condition: Faulted
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

WHILE PERFORMING ASA T/C 7827300, FOUND SHORT TIME FAULT ON ENG #1. FAULT 73-10011 INTERNAL EEC FAULT. DEFERRED FOR 50 FLT HRS PER T/C 7827300. GROUNDED - YES. PER ASA T/C 7827300, FAULT CODE 73-10011 INTERNAL EEC FAULT FOR ENG #1. DEFERRED FOR 50 FLT HRS. PERFORMED T/C 7827300, VERIFIED NO FAULTS MSG LOGGED FOR THE LAST 10 FLT LEGS ON #1 ENG ESN 894257. REF B737-800 FIM 73-21 TASK 801, #1 ENG EEC BITE TEST PASSED W/O FAULTS. REMOVED PLT DEFERRAL.