What was found
AFT EMERGENCY EXIT SIGN ABOVE CENTER WALKWAY AND AFT EMERGENCY EXIT SIGN ABOVE SEATS ON R/H SIDE OF AIRCRAFT FOUND INOP. REMOVED AND REPLACED #3 EPSU BATTERIES IAW Q400 AMM 33-51-01-000-802,33-51-01-400-802. OPS CHECK GOOD.
- Difficulty date
- November 16, 2021
- Submitted
- November 16, 2021
- Operation
- Air carrier
- Aircraft
- N412QX
- Make and model
- Bombdr DHC8402
- Aircraft serial
- 4059
- Aircraft time
- 45,256 hours, 47,530 cycles
- System (JASC)
- 3350 · Emergency Lighting
- Part
- Battery Pack
- Part number
- ABS6138001
- Part serial
- 43219
- Condition
- Malfunctioned
- Location
- Zone 200
- Part time
- 5,108 hours, 5,692 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.