What was found
AFTER 5 MINUTES AT 80 PERCENT, NR 2 ENGINE N1 EXPERIENCED LOTC N2 PEAKED AT 109% WITH ASSOCIATED MAINTENANCE MESSAGE 73-20332. REMOVED NR 2 ENGINE PER T/C 78471000. INSTALLED NR 2 ENGINE PER T/C 78471001 REF. W/O 159978.
- Difficulty date
- April 11, 2012
- Submitted
- April 13, 2012
- Operation
- Air carrier
- Aircraft
- N559AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35178
- Aircraft time
- 21,143 hours, 6,415 cycles
- Engine
- Cfmint CFM567B27
- Engine time
- 14,967 hours, 4,817 cycles
- System (JASC)
- 7200 · Engine (Turbine/Turboprop)
- Part
- Engine
- Part number
- UNKNOWN
- Condition
- Malfunctioned
- Location
- Nr 2
- 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.