What was found
INTERMITTENT HDG FLAG ON NR 1 HSI AND AHRS HDG DATA INVALID. REPLACED NR 1 CAPTAIN`S STRAP DOWN AHRU AND GROUND TEST GOOD IAW MM 34-20-00.
- Difficulty date
- October 1, 2014
- Submitted
- October 2, 2014
- Operation
- Air carrier
- Aircraft
- N887EA
- Make and model
- Dhav DHC8106
- Aircraft serial
- 351
- Aircraft time
- 32,913 hours, 35,333 cycles
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Computer
- Part number
- 7003360941
- Part serial
- 90061662
- Condition
- Defective
- Location
- Ahru
- Part time
- 6,653 hours, 7,081 cycles
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.