What was found
DURING PREFLIGHT OF AIRCRAFT FOR FLIGHT 8120 BQN-AUA, THE CAPTAINS SIDE O2 MASK WOULD NOT TEST. BQN MAINTENANCE REPLACED THE CAPTAINS SIDE MASK AND FLIGHT 8120 DEPARTED
- Difficulty date
- April 7, 2025
- Submitted
- April 7, 2025
- Operation
- Air carrier
- Aircraft
- N918FX
- Make and model
- Aerosp ATR42300
- Aircraft serial
- 262
- Aircraft time
- 30,921 hours, 39,022 cycles
- System (JASC)
- 3510 · Crew Oxygen System
- Part
- Oxygen Mask
- Part number
- 174690M3
- Part serial
- 20191
- Condition
- No Test
- Location
- Zone 200
- Part time
- 30,287 hours, 38,646 cycles
- 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.