Service difficulty report · None · Boeing 737

Difficulty date
April 8, 2022
Submitted
April 18, 2022
Operation
Air carrier
Aircraft
N588AS
Make and model
Boeing 737
Aircraft serial
35685
Aircraft time
51,002 hours, 15,115 cycles
Part
None
Part number
TC29603
Condition
Degraded
Location
#1 Engine
Stage of operation
TO
How discovered
V
Nature of condition
M
Precautionary procedure
K

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

What was found

ON T/O IN SAN WITH 27K BUMP T/O, EGT ENG #1 EXCEEDED MAX LIMIT FOR 4-5 SECONDS WITH PROPER T/O SETTING. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE T49.5 S4 PROBE PER B737-800 AMM 77-21-01. PERFORMED EEC TEST PER AMM 73-21-00-700-804-F00,(AS REQUESTED PER POWER PLANT TEST REFERENCE TABLE), TEST PASSED. PERFORMED THE INPUT MONITORING OF THE T49.5 SYSTEM (WITHOUT ENGINE OPERATION) PER B737-800 FIM 77-21 TASK 804, THE T49.5 PARAMETERS ARE WITHIN LIMITS. NO OTHER FAULTS DETECTED.