SDR DALA2019110406395

Service difficulty report · Brake · Bombdr BD1001A10

Difficulty date: November 4, 2019
Submitted: November 5, 2019
Operation: Air carrier
Aircraft: N109DU
Make and model: Bombdr BD1001A10
Aircraft serial: 50028
Aircraft time: 1,909 hours, 852 cycles
System (JASC): 2742 · Stabilizer Actuator
Part: Brake
Condition: Malfunctioned
Location: Horiz Stab
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

DESCENDING THRU FL240 STAB TRIM FAIL EICAS MESSAGE. FAULT CODES 2741F0013, 2741F0013, 2741F0036 AND 274F0037 IN FAULT MSG SUMMARY. SUSPECT AFT 1 REU OR HSTA MOTOR BRAKE. T/S PER EFIM REU CHECKS GOOD. FOUND HSTA BRAKE TO FAIL STATIC TORQUE - FUNCTIONAL TEST. REMOVED AND REPLACED HSTA MCE IN REF TO AMP BD500-A-J27-41-03. OPS CHECKS GOOD. REMOVED AND REPLACED HSTA BRAKE IN REF TO A220 AMP BD500-AJ27-41-05AAA-520A-A. ALL OPS CHECKS GOOD.OK FOR SERVICE. (LP# 6663428)