What was found
SECOND AIR TURN BACK, CADC NR 2 FAILED ON DEPARTURE. TROUBLESHOT SYSTEM AND FOUND A PITOT TUBE BLOCKAGE. REMOVED AND CLEANED PITOT TUBE DRAIN IAW AMM 34-11-01 RETURNED AIRCRAFT TO SERVICE..
- Difficulty date
- June 2, 2017
- Submitted
- June 3, 2017
- Operation
- Air carrier
- Aircraft
- N411SN
- Make and model
- Doug MD11F
- Aircraft serial
- 48411
- Aircraft time
- 71,367 hours, 14,000 cycles
- System (JASC)
- 3411 · Pitot/Static System
- Part
- Pitot Tube
- Condition
- Blocked
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- C
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.