Service difficulty report · Brake Assy · Boeing 737990ER

Difficulty date
January 11, 2019
Submitted
January 11, 2019
Operation
Air carrier
Aircraft
N440AS
Make and model
Boeing 737990ER
Aircraft serial
41705
Aircraft time
20,872 hours, 6,886 cycles
Part
Brake Assy
Part number
254A12906
Condition
Failed
Location
Nr 2 Engine
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

REPORTS OF NR 2 ENGINE FAIL MESSAGE AT ENGINE SHUTDOWN. GROUNDED - YES. REMOVED & REPLACED NR 2 ENGINE START BRAKE ASSY REF AMM TASK 76-11-10. ACCOMPLISHED ALTERNATE DEACTIVATION PROCEDURE REF MAINTENANCE PROCEDURE CHAPTER 5, SECTION 5-07-01, TABLE 3, ITEM 1. REVERSED ALTERNATE DEACTIVATION PROCEDURE. ALSO, ACCOMPLISHED EEC TEST REF AMM 73-21-00-700-804-F00, ENGINE FUEL SPAR VALVE CONTROL/INDICATION TEST REF AMM 28-22-00-710-801 & EEC DISCRETE TEST REF AMM 73-21-00-700-809-F00, OPS CK NML.