What was found
WHILE ATTEMPTING A NR 2 ENGINE EEC SOFTWARE UPGRADE (7.B.W2) EEC FAILED. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE EEC IAW AMM 73-21-60-000-801-F00, AND 73-21-60-400-801-F00. OPS CHECKED GOOD.
- Difficulty date
- September 12, 2017
- Submitted
- September 13, 2017
- Operation
- Air carrier
- Aircraft
- N533AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35201
- Aircraft time
- 26,144 hours, 7,664 cycles
- Engine
- Cfmint CFM567B27
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Eec
- Part number
- 2042M67P04
- Part serial
- FFFH1680
- Condition
- Failed
- Location
- Nr 2
- Part time
- 26,142 hours, 7,663 cycles
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.