Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
July 8, 2019
Submitted
July 9, 2019
Operation
Air carrier
Aircraft
N434AS
Make and model
Boeing 737990ER
Aircraft serial
61620
Aircraft time
13,376 hours, 4,282 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
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

ON RECALL THE RT PACK LIGHT ILLUMINATED. IT DID RESET. GROUNDED - YES. PERFORMED PFTC BITE AND FOUND FAULT MESSAGE 21-51406 SRADA EXIT ON RT CONTROLLER, REF FIM 21-62 TASK 801. PER FIM 21-62 TASK 879 CYCLED POWER TO CLEAR SRADA MEMORY. PERFORMED BITE 21-62 TASK 801 AGAIN AND CONFIRMED FAULT CLEARED. ITEM IS CONSIDERED INTERMITTENT FAULT, NO FURTHER ACTION NEEDED.