Service difficulty report · Brake Assy · Boeing 737890

Difficulty date
January 22, 2019
Submitted
January 23, 2019
Operation
Air carrier
Aircraft
N518AS
Make and model
Boeing 737890
Aircraft serial
35693
Aircraft time
38,309 hours, 11,398 cycles
Part
Brake Assy
Part number
254A12906
Condition
Intermittent
Location
Start Brake
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

FOLLOW-UP TO HISTORY OF NR 2 ENGINE SLOW TO SHUTDOWN. GROUNDED - YES. REMOVED, REPLACED, AND TESTED M1825 NR 2 ENGINE START BRAKE ASSEMBLY PER AMM 76-11-10. OPS NORMAL. PERFORMED ENGINE SPAR VALVE ELECTRICAL CONTROL AND INDICATION TEST FOR NR 2 ENGINE PER AMM 28-22-00-710-801, EEC DISCRETES TEST PER AMM 73-21-00-700-809-F00, EEC TEST PER AMM 73-21-00-700-804-F00, AND IGNITION SYSTEM AUDIBLE TEST PER AMM 74-00-00-750-801 - ALL TESTS PASS. PERFORMED POWERPLANT TEST 13 - ENGINE RUN - EEC BITE CHECK PER AMM 71-00-00-700-808-F00 - ENGINE STARTS AND STOPS NORMALLY WITH NO EEC FAULTS.