Service difficulty report · Warning Light · Gulstm GIV

Difficulty date
September 11, 2011
Submitted
September 12, 2011
Operation
Air carrier
Aircraft
N486QS
Make and model
Gulstm GIV
Aircraft serial
1386
Aircraft time
9,710 hours, 4,813 cycles
Part
Warning Light
Condition
No Indication
Stage of operation
AP
How discovered
O
Nature of condition
P
Precautionary procedure
L, A

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

What was found

ON APPROACH, DID NOT GET THE APPROACH ANNUNCIATION LIGHTS ON THE CDU OR ON DU4. FUNCTION TESTED THE NR 1 AND NR 2 GPS'S IAW MSG3 MM 34-52-00. ALL TESTS CHECKED GOOD. PERFORMED HYPER DEBUG PROCEDURE FOR FMS 1 AND FMS 2 IAW SIL D201105000003, REV 0. PERFORMED OPS CHECK OF FMS 1 AND FMS 2 IAW GIV MSG-3 MM 34-02-00. ALL TESTS CHECKED GOOD.