Service difficulty report · Probe · Boeing 737890

Difficulty date
July 22, 2019
Submitted
July 24, 2019
Operation
Air carrier
Aircraft
N592AS
Make and model
Boeing 737890
Aircraft serial
35190
Aircraft time
43,942 hours, 13,235 cycles
Part
Probe
Part number
TC29603
Condition
Failed
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON DEPARTURE #2 ENGINE TEMP 900 DEG AND RISING. PULLED THROTTLE BACK TO CONTAIN. AT CRUISE SPEED 250 TEMP RANGED FROM 450 DEG HOTTER TO 100 DEG HOTTER N1 AND N2 FUEL FLOW ALL NORMAL COMPARED TO EACH OTHER. GROUNDED - YES. DIVERSION TIME 14 MINUTES. REF TSR 703630 REMOVED AND REPLACED INBOARD BOTTOM T49.5 PROBE ASSY AND THE CJ10 HARNESS ASSY REPLACED. GROUND VERFICATION CHECKS NORMAL.