SDR ASAA2015021910727

Service difficulty report · Fault Code · Boeing 737990ER

Difficulty date: February 19, 2015
Submitted: February 23, 2015
Operation: Air carrier
Aircraft: N435AS
Make and model: Boeing 737990ER
Aircraft serial: 43292
Aircraft time: 5,078 hours, 1,674 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7320 · Fuel Controlling System
Part: Fault Code
Condition: Activated
Location: Eec
Part time: 5,118 hours, 1,687 cycles
Stage of operation: IN
How discovered: 9
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

WHILE PERFORMING T/C 78273000: FOUND SHORT TERM FAULT ON NR 2 ENG: MSG 73-21272 " THE ALTERNATOR VOLTAGE INPUT TO THE EEC IS OUT OF RANGE". FLT LEGS: 0, 1, 2, 3, 4, 5, 6. ACFT GROUNDED. ACCOMPLISHED FIM TASK 73-27, TASK 804. NO FAULTS NOTED IAW FIM EEC REPLACEMENT RECOMMENDED. R & R NR 2 ENGINE EEC IAW 73-21-60-400-801-F00. ACCOMPLISHED SYS TEST REF 73-21-00. POWER PLANT TEST REF TABLE ACCOMPLISHED REF AMM 71-00-00.