What was found
ROTOR BRAKE WILL NOT BUILD PRESSURE. ROTOR BRAKE CONTROL MODULE WAS FOUND TO BE DEFECTIVE. MODULE WAS PREVIOUSLY REPAIRED BY MANUFACTURE AND BECAME DEFECTIVE IN 379.9 HOURS OF OPERATION.
- Difficulty date
- November 13, 2020
- Submitted
- November 15, 2020
- Operation
- Air carrier
- Aircraft
- N639DS
- Make and model
- Agusta AW139
- Aircraft serial
- 41262
- Aircraft time
- 6,865 hours, 12,672 cycles
- System (JASC)
- 6321 · Main Rotor Brake
- Part
- Control Module
- Part number
- 3G6352V01851
- Part serial
- FR0084
- Condition
- Defective
- Location
- Rotor Brake
- Part time
- 4,056 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.