Service difficulty report · Unknown · Boeing 737890

Difficulty date
October 19, 2011
Submitted
October 21, 2011
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
14,564 hours, 4,724 cycles
Part
Unknown
Condition
Malfunctioned
Location
Egt
Stage of operation
CR
How discovered
O
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

NR 2 EGT FLUXUATED +50 0 IN CURISE WITH A/THDLS ON OR OFF AND EEC ON ALL OTHER GAUGES INDICATED NORMALLY NO THROTTLE MOVEMENT WITH A/THRTLS ON NO STAGGERED THOTTLES (THRUST LEVERS). PERFORMED ENG BITE TEST PER MM 73 00 00 FOR NR 2 ENG SHOW NO FAULTS RECORDED. PERFORMED INPUT MONITOR TEST FOR T49.5 SYSTEM REF FIM TASK 77 05 TASK 801 STEP E(8)(B) WITHIN 45 MIN OF ENG SHUT DOWN READINGS WERE S1 DASHES S2 66.03 S3 59.32 S4 115.06 CLEANED T49.5 SYSTEM (EGT) PER MM 77 21 00, OPS CHECKS GOOD.