What was found
ALTITUDE MISCOMPARE AFTER TAKEOFF. AT FL270 ALT 1 READ 26940, ALT 2 27010,STBY 27030. REMOVED AND REPLACED CADC-3 IAW AMM 34-16-01-4. OPS CHECKED GOOD IAW AMM 34-16-01-5.
- Difficulty date
- February 25, 2017
- Submitted
- February 27, 2017
- Operation
- Air carrier
- Aircraft
- N601FE
- Make and model
- Doug MD11F
- Aircraft serial
- 48401
- Aircraft time
- 77,972 hours, 19,632 cycles
- System (JASC)
- 3411 · Pitot/Static System
- Part
- Iru
- Part number
- 4059060901
- Part serial
- 90110275
- Condition
- Inaccurate
- Location
- Altitude
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.