Service difficulty report · Thermocouple · Boeing 737990ER

Difficulty date
June 30, 2016
Submitted
July 5, 2016
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
10,708 hours, 3,499 cycles
Part
Thermocouple
Condition
Malfunctioned
Location
Nr 1
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

INTERMITTENT APU BLUE MAINT LIGHT. ACFT GROUNDED. REPLACED NR 1 AND 2 EGT THERMOCOUPLE IAW AMM 49-71-21. OPS CHECKED OK.