Service difficulty report · Switch · Boeing 737990ER

Difficulty date
February 15, 2015
Submitted
February 17, 2015
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
5,114 hours, 1,650 cycles
Part
Switch
Part number
254A115013
Condition
Failed
Location
Throttle Stand
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

PSEU LIGHT ILLUMINATED AFTER LANDING. ACFT GROUNDED. PERFORMED PSEU BITE FIM 32-09, TASK 801, 2 FAULTS 31-52002, TRA L LT 53 FAULT, 32-64004. NO DISPATCH FAULT. RESET LATCHES, RE-PERFORMED BITE WITH NO FAULTS. PERFORMED FIM 32-09 TASK 815 TRA SENSOR INPUT FOR T/O WARNING . PIN 41 ON D10982 IS INTERMITTENT ,WITH NR 1, THROTTLE FULL FWD NO GROUND ON PSEU AND NO T/O CONFIG WARN AND NO AURAL WARNING HORN. REMOVED M1766 REF MM 76-11-07. INSTALLED AUTO THROTTLE SWITCH PACK M1766, REF MM 76-11-07. ADJUSTMENT & OPS CK NORMAL IAW SAME & MM 27-62-00, 32-09-10, 32-42-00, 78-31-00, 30-11-00, 31-51-00 & 34-43-00. D10982 PIN 41 SHOWS GROUND WITH THROTTLE ADVANCED REF MM 31-51-00, STEP 6, E 7.