Service difficulty report · Warning Message · Boeing 737890

Difficulty date
July 4, 2021
Submitted
July 7, 2021
Operation
Air carrier
Aircraft
N569AS
Make and model
Boeing 737890
Aircraft serial
35184
Aircraft time
52,205 hours, 15,726 cycles
Part
Warning Message
Condition
False Activation
Location
Lt A/C Pack
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

L PACK LIGHT ILLUMINATES ON RECALL. RESETS WITH RESET. GROUNDED - YES. PERFORMED BITE CHECK ON ZONE TEMP CONT #1 REF B737-800 AMM 21-51-00 AND FOUND RAM AIR ACTUATOR LIGHT CAME ON DURING BITE BUT CLEARED FOR VERIFY. LUBED HINGES AND RAM AIR DOORS. NO FURTHER DEFECTS NOTED.