Service difficulty report · Autothrottle Sys · Boeing 737*

Difficulty date
December 13, 2021
Submitted
December 23, 2021
Operation
Air carrier
Aircraft
N838NN
Make and model
Boeing 737*
Aircraft serial
31097
Aircraft time
34,396 hours, 14,301 cycles
Part
Autothrottle Sys
Part number
254A115011
Part serial
2105
Condition
Faulty
Location
Zone 100 - Fuse
Part time
31,547 hours, 12,975 cycles
Stage of operation
LD
How discovered
V
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

AIRCRAFT WAS NOT GROUNDED: AUTOBRAKE SYSTEM DISARMED ITSELF UPON TOUCHDOWN. **SUPPLEMENTAL REPORT: REPLACED AUTOTHROTTLE SWITCHPACK ASSEMBLY WITH SERVICEABLE UNIT IAW WORKCARD 08L11276001, OPS CHECK GOOD.** (CLOSED)