N338QD
Registered owner: QUEST DIAGNOSTICS CLINICAL LABORATORIES INC, PA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| QUEST DIAGNOSTICS INC (Q5QA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
DURING A ROUTINE PILATUS 1200HR INSPECTION THE NOSE GEAR ACTUATOR UPPER ATTACH BRACKET (P/N 553.10.12.326) WAS FOUND CRACKED. THE PART WAS ORIGINAL WITH A TOTAL TIME OF 15,712.7 AND A CYCLE COUNT OF 17,880 BEFORE THE PART WAS FOUND DEFECTIVE. THE AIRCRAFT WAS REPAIRED WITH THE INSTALLATION OF A PARTS REPAIR KIT BEING INSTALLED (P/N 500.40.12.002). THIS KIT INSTALLS AN IMPROVED NLG ACTUATOR ATTACHMENT BRACKET PER PILATUS SPECIAL REPAIR PROCEDURES RM07274.
DURING A SCHEDULED INSPECTION CRACKING WAS FOUND ON THE AFT SIDE OF THE HEATED LIP ASSEMBLY, THE CRACKING WAS IDENTIFIED BY VISUAL INSPECTION. THE PILATUS PC-12 REPAIR INVOLVES REPLACEMENT OF THE ENTIRE HEATED ANTI-ICE LIP ASSEMBLY P/N 530.24.12.151, OR P/N 530.24.12.155 THE HEATED LIP ASSY. SEEMS TO HAVE A CONSISTENT FAILURE RATE AROUND 1500- 4000 HOURS OF OPERATION. WE HAVE REPLACED SEVERAL HEATED LIP ASSEMBLIES WITHIN OUR FLEET. THIS CURRENT LIP WAS ON SINCE 12/2020 AND HAD ACCUMULATED A TOTAL TIME IN SERVICE OF 4,167.4.
PILOT REPORTED THAT THE CABIN ALTITUDE STARTED TO CLIMB HIGHER THAN SET UNCOMMANDED. DURING AIRCRAFT DESCENT, THE CABIN AIR INDICATION WOULD FLUCTUATE, CLIMBING AND DESCENDING. INSPECTION DISCLOSED A PRESSURIZATION DUCT IN THE ENGINE COMPARTMENT HAD SEPARATED.