As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A HAZE DURING FINAL APPROCH IN CABIN AFTER LANDING IT WAS GONE. THE ACFT WAS REMOVED FROM SERVICE. HAZE POSSIBLE CAUSE IS RESIDUE FROM REPAIR. R & R NR 1 ENGINE FUEL HEATER IAW MM- 72-01-40. THE ACFT WAS RETURNED TO SERVICE. THE F/A REPORTED NO HAZE ON RETURN TO BASE.