What was found
FOUND LONG TERM FAULT CODE 77-21171 ON ENGINE. N1 SIGNAL OUT OF RANGE. ACFT GROUNDED. FAULT IS NOT ACTIVE. NO ACTIVE FAULTS LOGGED IN FLIGHT LEG 0 OR IN FAULT HISTORY, LAST 10 FLIGHTS. REF FIM TASK 77-11, TASK 801.
- Difficulty date
- August 5, 2014
- Submitted
- August 12, 2014
- Operation
- Air carrier
- Aircraft
- N565AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 29,375 hours, 8,970 cycles
- System (JASC)
- 7700 · Engine Indicating System
- Part
- Warning Message
- Condition
- Activated
- Location
- Engine
- 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.