Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
April 30, 2017
Submitted
May 2, 2017
Operation
Air carrier
Aircraft
N468AS
Make and model
Boeing 737990ER
Aircraft serial
41735
Aircraft time
11,281 hours, 3,804 cycles
Part
Warning Light
Condition
False Activation
Location
Rt A/C Pack
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

RIGHT PACK ILLUMINATED ON RECALL. EXTINGUISHES WHEN MASTER CAUTION RESET. ACFT GROUNDED. TROUBLESHOT IAW AMM 21-61-00, FOUND THE NR 2 PACK ZONE TEMP CONTROLLER WITH SRADA INLET FAULT - PREVIOUS FLIGHT. CONTINUED WITH BITE TEST OF BOTH ZONE TEMP CONTROLLERS AND BOTH OPS NORMAL. SRADA INLET FAULT EXTINGUISHED AND SUBSEQUENT TEST OPS NOMRAL. NO FAULTS. RIGHT PACK ANNUNCIATOR REMAINS EXTINGUISHED WITH RECALL.