What was found
DURING HEAVY MAINTENANCE CHECK LH LOWER PITOT-STATIC PROBE SIGNS OF CORROSION. REMOVED AND REPLACED LH LOWER PITOT-STATIC IAW B747-400-F AMM 34-11-01. TEST PASS. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE CHECK LH LOWER PITOT-STATIC PROBE SIGNS OF CORROSION. REMOVED AND REPLACED LH LOWER PITOT-STATIC IAW B747-400-F AMM 34-11-01. TEST PASS. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.