What was found
FOUND 1 AREA OF CORROSION AROUND AIRCRAFT DATA PLATE. REPAIRED CORROSION ON AFT TAIL CONE UNDER DATA TAG IN REFERENCE TO AEROSPACE QUALITY RESEARCH AND DEVELOPMENT ENGINEERING REPAIR ORDER: ERO-988391 REV. IR; TITLED: N339QS AFT TAILCONE SKIN CORROSION; DATED: MAR 16, 2026. REPAIR SUPPORTED BY FORM: FAA FORM 8110-3 TITLED "N339QS AFT TAILCONE SKIN CORROSION", DATED 3/16/2026. THE FATIGUE AND DAMAGE TOLERANCE (F&DT) EVALUATION REQUIRED PER 14 CFR PART 25, 25.571 IS NOT INCLUDED AS PART OF THIS ENGINEERING DOCUMENT. PER NETJETS AVIATION, INC. GENERAL MAINTENANCE MANUAL CHAPTER 11- THE F&DT EVALUATION MUST BE COMPLETED WITHIN 12 MONTHS FROM THE DATE OF ISSUE OF THE ASSOCIATED 8110-3. THE AIRCRAFT AT THE TIME OF REPAIR HAD 14,277.7 FLIGHT HOURS AND 9,522 FLIGHT CYCLES.