Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
June 10, 2019
Submitted
June 13, 2019
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
22,319 hours, 7,276 cycles
Part
Warning Light
Condition
False Activation
Location
Rt 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

RIGHT HAND PACK LIGHT REMAINED ILLUMINATED AFTER RECALL SWITCH PUSHED QRH CHECKLIST ACCOMPLISHED AND PACK LIGHT EXTINGUISHED WITH RESET. GROUNDED - YES. PERFORMED PACK/ZONE TEMP CONT. BITE TEST REF B737-900 AMM 21-61-00 AND AS PRECAUTION PULED AND RECYCLED PACK CONTROLLER DC CIRCUIT BREAKER SYSTEM OP CHECKS GOOD NO DEFECTS NOTED AT THIS TIME.