What was found
ON COMPLETING T/C 78273000, FOUND THE NR 1 ENGINE FAULT MESSAGE 73-30791, SHORT TIME FAULT, PS3 SIGNALS DISAGREE. ACFT GROUNDED. REMOVED AND REPLACED THE EEC IAW AMM 73-21-60, GROUND VERIFICATION TEST PASSED.
- Difficulty date
- February 12, 2018
- Submitted
- February 14, 2018
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41731
- Aircraft time
- 20,864 hours, 6,770 cycles
- Engine
- Cfmint CFM567B27E
- System (JASC)
- 7320 · Fuel Controlling System
- Part
- Eec
- Part number
- 2042M67P04
- Part serial
- FFFB2911
- Condition
- Faulted
- Location
- Nr 1
- Part time
- 20,884 hours, 6,776 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.