What was found
SHIP 1521 EXCESSIVE WHITE PUFFS MIST/SMOKE FROM CAPTAINS SIDE PITOT TUBES OR TAT ON TAXI INTERMITTENT. CORRECTIVE ACTION: SUSPECT TAT PROBE FAILING INTERNALLY. REPLACED TAT PROBE. SYSTEM OPERATION IS NORMAL. (LP 8011264)
- Difficulty date
- August 28, 2021
- Submitted
- September 1, 2021
- Operation
- Air carrier
- Aircraft
- N394DL
- Make and model
- Boeing 767324
- Aircraft serial
- 27394
- Aircraft time
- 103,421 hours, 15,948 cycles
- System (JASC)
- 3412 · Outside Air Temperature Indicator/Sensor
- Part
- Probe
- Condition
- Failed
- Location
- Tat
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.