Service difficulty report · Probe · Boeing 737890

Difficulty date
August 3, 2019
Submitted
August 12, 2019
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
47,801 hours, 14,190 cycles
Engine
Cfmint CFM567B27
Part
Probe
Part number
TC29603
Condition
Failed
Location
Nr 2 Eng Egt
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

# 2 ENG EGT RED BOX, DID NOT HAPPEN DURING ENGINE START. GROUNDED - YES. REPLACED T49.5 S1 PROBE ASSY IAW AMM 77-21-01 PULLED 7EA CB AND RESET 7EA CBS. GROUND VERIFICATION TEST GOOD. POWER ASSURANCE TEST #5 PASSED AT 65% N1, EGT 578 DEG, N2 88.3 OAT +16C.