Service difficulty report · Warning Light · Boeing 737890

Difficulty date
November 11, 2014
Submitted
November 13, 2014
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
29,830 hours, 9,271 cycles
Part
Warning Light
Condition
False Activation
Location
Lt A/C Pack
Stage of operation
NR
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

ON SELECTING RECALL, THE LT PACK LIGHT ILLUMINATED AND THEN WENT OUT WHEN MASTER CAUTION RESET WAS PUSHED. ACFT GROUNDED. VERIFIED LT PACK LIGHT ILLUMINATES ON RECALL & STAYS OFF AFTER PRESSING MASTER CAUTION. ACCOMPLISHED BITE OF LT PACK/ZONE TEMP CONTROLLER REF FIM 21-62-00-810-801. HISTORY SHOWS PREVIOUS FAULT ON RAM ACTUATOR. NO CURRENT FAULTS FOUND. OPERATED LT PACK REF MM 21-00-00-800-803. FAULT DID NOT RETURN. NO HISTORY FOR 90 DAYS.