Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
March 6, 2018
Submitted
March 8, 2018
Operation
Air carrier
Aircraft
N453AS
Make and model
Boeing 737990ER
Aircraft serial
36354
Aircraft time
16,459 hours, 5,458 cycles
Part
Warning Light
Condition
False Activation
Stage of operation
CR
How discovered
9
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

RT PACK RAM DOOR FULL OPEN LIGHT STAYED ON ENTIRE FLIGHT. ACFT GROUNDED. COULD NOT DUPLICATE, BOTH ZONE TEMP CONTROLLERS BITE CHECKED GOOD, BOTH RT RAM AIR ACTUATORS FWD & AFT HAVE GREEN LIGHTS, FIM 21-51 / 803 SYS OPS CHECKED NORMAL, FULL OPEN LIGHT FUNCTIONS PROPERLY.