Service difficulty report · Mixing Unit · Boeing 7377H4

Difficulty date
February 26, 2019
Submitted
February 28, 2019
Operation
Air carrier
Aircraft
N413WN
Make and model
Boeing 7377H4
Aircraft serial
29819
Aircraft time
60,546 hours, 35,014 cycles
Part
Mixing Unit
Part number
251A174110
Part serial
E0833
Condition
Faulty
Location
Spoiler Sys
Stage of operation
LD
How discovered
O
Nature of condition
F
Precautionary procedure
A

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

What was found

DIVERSION, WITH SPEED BRAKE ARMED ON LANDING SB MOVED ONLY ONE INCH. UPON TAXI DISCOVERED SPEED BRAKE BINDING AND DIFFICULT TO MOVE. WORSE WHEN COLD RIGHT AFTER LANDING. R&R SPOILER MIXER PER AMM.

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