Service difficulty report · Brake Assy · Boeing 737890

Difficulty date
April 27, 2017
Submitted
May 1, 2017
Operation
Air carrier
Aircraft
N566AS
Make and model
Boeing 737890
Aircraft serial
35182
Aircraft time
39,547 hours, 11,843 cycles
System (JASC)
7603 · Power Lever
Part
Brake Assy
Part number
254A12906
Part serial
AC00566
Condition
Faulty
Part time
39,539 hours, 11,835 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

ON ENG START, NR 2 START LEVER RAISED TO IDLE, NO FUEL FLOW, ENG VALVE CLOSED ANNUNCIATOR ILLUMINATED BRIGHT ONLY. QRH PROCEDURES ACCOMPLISHED FOR ABORTED START. GROUNDED - YES. NR 2 EEC BITE CK FND MX MESSAGE 73-31552. DID FIM 73-31 TASK 803, NO OTHER MX MESSAGES. HPSOV CK OF CONTROL PWR STEP F (2) IS NML. ENG FUEL SPAR VALVE ELEC CONTROL AND INDICATION TEST IS NML REF AMM 28-22-00-710-801. FIM 80-06 TASK 801 STEP E(1) CK OF NR 2 EEC INPUT DISCRETES IS NML. PUT A/C BACK TO NML CONFIGURATION. START AND RAN NR 2 ENG WITH NO FAULTS. REPLACED NR 2 ENG START BRAKE ASSY M1825 REF AMM 76-11-10. COMPLETED OPS CHECKS REF AMM 76-11-10-420-801-F00 STEP 3 H 1-4. ALL OPS CHECKS NORMAL. DEFECT CLEARED.