Service difficulty report · Warning Message · Boeing 737890
FAA SDR system
- Difficulty date
- November 12, 2014
- Submitted
- November 17, 2014
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35181
- Aircraft time
- 30,411 hours, 9,313 cycles
- Part
- Warning Message
- Condition
- Activated
- Location
- Nr 1 Engine
- 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.
What was found
FOUND LONG TERM FAULT CODE 77-21171, N1 SIGNAL OUT OF RANGE ON NR 1 ENGINE. ACFT GROUNDED.