Service difficulty report · Key · Boeing 737990ER

Difficulty date
May 24, 2021
Submitted
May 27, 2021
Operation
Air carrier
Aircraft
N440AS
Make and model
Boeing 737990ER
Aircraft serial
41705
Aircraft time
28,536 hours, 9,188 cycles
Part
Key
Condition
Detached
Location
Fmc
Part time
28,531 hours, 9,183 cycles
Stage of operation
NR
How discovered
9
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

RIGHT SIDE FMC MCDU LINE SELECT BUTTON R3 DETACHED. GROUNDED - YES. REMOVED & REPLACED RIGHT SIDE FMC MCDU REF B737-900 AMM 34-61-01. OPS CHECK GOOD.