Service difficulty report · Control Panel · Boeing 737890

Difficulty date
September 25, 2023
Submitted
September 27, 2023
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
59,068 hours, 17,562 cycles
Part
Control Panel
Part number
4082260939
Part serial
00032039
Condition
Unknown
Location
Flight Deck
Part time
7,398 hours, 2,199 cycles
Stage of operation
NR
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

VNAV SWITCHLIGHT NOT ILLUMINATING. GROUNDED - YES. (RESOLVED ON W/O: 1970398 TASKCARD: N/R-00001 ) VERIFIED DEFECT. VNAV LT INOP. REMOVED AND REPLACED MCP IAW AMM 22-11-34-000/400-801. PASSES LRU REPLACEMENT TEST AND LAND VERIFY. MCP VNAV LT NOW CHECKS GOOD. THIS CLEARS MEL 22-18I. SEAMC DARWIN NOTIFIED. PLACARDS REMOVED.