Service difficulty report · Bulb · Boeing 737990ER

Difficulty date
August 28, 2021
Submitted
August 31, 2021
Operation
Air carrier
Aircraft
N492AS
Make and model
Boeing 737990ER
Aircraft serial
44110
Aircraft time
21,191 hours, 6,774 cycles
Part
Bulb
Condition
Inoperative
Location
Autothrottle
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

LIGHT BULB FOR A/T ARM INOP. GROUNDED - YES. (RESOLVED ON W/O: 1883239 TASKCARD: N/R-00003 ) VERIFIED A/T ARM BULB IS WORKING NML. ACCOMPLISHED A/T BITE 22-31 TASK 801. NO FAULTS FOUND. ACCOMPLISHED A/T LRU REPLACEMENT TEST. REF DFCS LRU REPLACEMENT TEST FOR FCC OR DFCS/AT - (BITE TEST GROUP #35) 22-11-33/401. ALL TESTS PASSED. CLEAR MEL 22-18J. SEAMC WILL NOTIFIED.