What was found
DURING HEAVY MAINTENANCE CHECK RH UPPER PITOT-STATIC PROBE SIGNS OF CORROSION. REMOVED AND REPLACED RH UPPER PITOT-STATIC PROBE IAW B747-400F AMM 34-11-01. TEST PASS. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
- Difficulty date
- October 2, 2024
- Submitted
- March 26, 2026
- Operation
- Air carrier
- Aircraft
- N356KD
- Make and model
- Boeing 747446
- Aircraft serial
- 25356
- Aircraft time
- 83,500 hours, 17,029 cycles
- System (JASC)
- 3411 · Pitot/Static System
- Part
- Pitot Tube
- Condition
- Corroded
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.