What was found
WHEN COMPLYING WITH FCD 35-10, O2 DOOR AND MASK FAILED TO DEPLOY. REMOVED AND REPLACED FLOW CONTROL UNIT SYSTEM OPS CHECK NORMAL P/N ON 800802-01 ON 0444, P/N OFF 800802-01 S/N OFF 761.
- Difficulty date
- June 1, 2001
- Submitted
- July 17, 2001
- Operation
- Air carrier
- Aircraft
- N850FT
- Make and model
- Boeing 747122
- Aircraft serial
- 19755
- Aircraft time
- 85,368 hours, 21,157 cycles
- System (JASC)
- 3520 · Passenger Oxygen System
- Part
- Control Unit
- Part number
- 80080201
- Part serial
- 761
- Condition
- Failed
- Location
- Cabin
- 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.