Service difficulty report · Proximity Sensor · Boeing 747412F
FAA SDR system
- Difficulty date
- January 12, 2026
- Submitted
- February 16, 2026
- Operation
- Air carrier
- Make and model
- Boeing 747412F
- Aircraft serial
- 26553
- Aircraft time
- 120,938 hours, 21,077 cycles
- Part
- Proximity Sensor
- Part number
- 834503AEC
- Condition
- Faulted
- Location
- Zone 700
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEAR TILT STATUS MESSAGE. FOUND MX MSG 32713 & 32673. FOLLOWED FIM 32-61 TASK 883 & TASK 863. REPLACED WIRE W1174-225/226 AND WIRE 1174-327 /228 IAW WDM 32-61-16 & 32-61-25. REMOVED AND REPLACED PRIMARY & ALTERNATE TRUCK TILT PROX SENSORS IAW AMM 32-61-12. PERFORMED OPS CHECKED IAW AMM 32-61-12, OPS CHECKED GOOD.