What was found
DURING ANNUAL INSPECTION, A TEST OF THE PASSENGER OXYGEN MASK DROP IS REQUIRED. PASSENGER MASK DEPLOYED @10,500 FT INSTEAD OF THE 12,500 REQUIREMENT. REMOVED AND REPLACED ALTMETRIC VALVE WITH OVERHAULED UNIT.
- Difficulty date
- December 21, 2016
- Submitted
- December 21, 2016
- Operation
- General aviation
- Aircraft
- N693MA
- Make and model
- Socata TBM700
- Aircraft serial
- 293
- Aircraft time
- 2,052 hours, 1,640 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Valve
- Part number
- 449325
- Part serial
- 180
- Condition
- Defective
- Location
- Mask Deploy
- Part time
- 2,052 hours, 1,640 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.