What was found
DFDR ULB TEST FAILED. REPLACED DFDR AND VERIFIED THE NEW DFDR WITH A NEW ULB.
- Difficulty date
- June 10, 2017
- Submitted
- June 13, 2017
- Operation
- Air carrier
- Aircraft
- N450PA
- Make and model
- Boeing 74746NF
- Aircraft serial
- 30808
- Aircraft time
- 69,972 hours, 11,791 cycles
- System (JASC)
- 2370 · Audio/Video Monitoring
- Part
- Recorder
- Condition
- No Test
- Location
- Flt Deck
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.