Service difficulty report · Unknown · Boeing 737890

Difficulty date
January 30, 2012
Submitted
February 1, 2012
Operation
Air carrier
Aircraft
N585AS
Make and model
Boeing 737890
Aircraft serial
35683
Aircraft time
16,933 hours, 5,211 cycles
Part
Unknown
Condition
Malfunctioned
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

THE "OFFSET" WARNING ON CAPT'S CDU BLINKS IN CONJUNCTION WITH THE CTR FUEL TANK LOW PRESS LIGHTS. WHEN PUMPS POSITIONED OFF BLINKING STOPS. F/O'S "OFFSET" WARNING ON F/O CDU DOES NOT BLINK IN CONJUCTION WITH FUEL TANK LOW PRESS LIGHTS. ALSO "OFFSET" WARNING LIGHT ON CAPT'S CDU DOES NOT DIM WHEN LIGHT SELECTOR SWITCH IS IN "DIM" POSITION. F/O'S "OFFSET" WARNING LIGHT OPERATES NORMALLY. ACCOMP FIM TASK 34 61 00 810 810 NO FLICKERING OF CTR LOW PRESS OR OFFSET ANNUNCIATORS. PER TASK 33 18 00 71 802 ALL ANNUNCIATORS DIM NORMALLY WHEN FMC ARE IN "LAMP TEST" ALL FMC ANNUNCIATORS ILLUMINATE AND WILL DIM WHEN MASTER LAMP TEST SWITCH IS PLACED TO DIM OPS GOOD PER TASK 34 61 00 730 801.