Service difficulty report · Sensor · Boeing 737990ER

Difficulty date
August 22, 2020
Submitted
August 24, 2020
Operation
Air carrier
Aircraft
N481AS
Make and model
Boeing 737990ER
Aircraft serial
44106
Aircraft time
19,337 hours, 6,192 cycles
Part
Sensor
Condition
Faulted
Location
Ram Air
Stage of operation
CR
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

LT PACK LITE ILLUMINATES ON RECALL, EXTINGUISHES ON RESET -FL350. GROUNDED - YES. PERFORMED PACK ZONE TEMP CONTROL BITE, REF B737-900 FIM 21-62 TASK 801. FOUND RAM AIR SENSOR SRADA EXIT FAULT LOGGED. PERFORMED LT RAM AIR EXIT ACTUATOR FAULT ISOLATION, REF FIM 21-62 TASK 853. FAULT CLEARED, NO OTHER FAULT NOTED.