SDR ASAA2020020332066

Service difficulty report · Warning Light · Boeing 737900ER

Difficulty date: February 3, 2020
Submitted: February 5, 2020
Operation: Air carrier
Aircraft: N407AS
Make and model: Boeing 737900ER
Aircraft serial: 41731
Aircraft time: 28,705 hours, 9,100 cycles
System (JASC): 2160 · Cabin Temperature Control System
Part: Warning Light
Condition: False Activation
Location: Fwd Cabin Temp
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

FWD CAB ZONE TEMP ILLUMINATED ON MASTER RECALL, EXTINGUISHES WITH RESET OF MASTER CAUTION. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONT BITE PER B737-900 AMM 21-50-00-700-803, OPS CHECK GOOD, FWD CAB ZONE TEMP LIGHT EXTINGUISHED DURING RECALL.

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