SDR ASAA2015020410554

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: February 4, 2015
Submitted: February 6, 2015
Operation: Air carrier
Aircraft: N512AS
Make and model: Boeing 737890
Aircraft serial: 39043
Aircraft time: 25,080 hours, 7,675 cycles
System (JASC): 2150 · Cabin Cooling System
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

UPON RECALL THE LT PACK LIGHT ILLUMINATED ALONG WITH AIR COND LIGHT EXITING. UPON RESET. ACFT GROUNDED. PERFORMED FIM TK 21-62-801, CONTROLLER NR 1 FAULTED TCV, LEFT, LAST FLT AND PREV. FLT. PERFORMED FMI TK 21-62-830, TEST PASSED, NO FAULTS. NO HIST. 30 DAYS.