Service difficulty report · Brake · Boeing 737990ER

Difficulty date
March 27, 2016
Submitted
March 29, 2016
Operation
Air carrier
Aircraft
N408AS
Make and model
Boeing 737990ER
Aircraft serial
41732
Aircraft time
13,250 hours, 4,245 cycles
Part
Brake
Part number
254A12905
Condition
Failed
Location
Engine Starter
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

DURING DESCENT "XB" ILLUMINATED NEXT TO N2 ENGINE GAUGE ON NR 1 ENGINE. ENGINE OPERATED NORMALLY. ACFT GROUNDED. FIM 76-05, TASK 809, FAILS STEP E9, D. WITH NR 1 ENGINE START LEVER IN IDLE POSITION, FOUND HIGH RESISTANCE TO GROUND, 10K OHMS) AT CONTACT Y2 OF D10922 WDM 76-21-11. R & R NR 1 ENGINE START BRAKE ASSY, REF AMM 76-11-10. OPS NORMAL REF AMM 28-22-00, 73-21-00, & 74-00-00. FIM 76-05, TASK 809, OPS CHECKS NORMAL. NLG PRESSURE PANEL LEAK CHECKS GOOD.