SDR ASAA202002032054

Service difficulty report · Warning Light · Boeing 737900ER

Difficulty date: February 1, 2020
Submitted: February 4, 2020
Operation: Air carrier
Aircraft: N408AS
Make and model: Boeing 737900ER
Aircraft serial: 41732
Aircraft time: 28,597 hours, 9,202 cycles
System (JASC): 2150 · Cabin Cooling System
Part: Warning Light
Condition: False Activation
Location: Lt A/C Pack
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

AFTER LANDING RH PACK LT ON, RESETS WITH MASTER CAUTION RESET. GROUNDED - YES. #2 PCTC BITE FAULTED RAM AIR ACT, RESET CONTROLLER, FAULT CLEARED & RECALL TEST PASSED, NO PACK LIGHT ILLUMINATES REF B737-900 FIM 21-62 TASK 801 & FIM 21-62 TASK 836.

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