N747FX
Registered owner: FEDERAL EXPRESS CORPORATION, TN (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| CSA AIR, INC. (SBAA) | Certificate holder | — | Matched by certificate designator |
Accident & incident history
No NTSB accidents or incidents on file for this aircraft.
Maintenance disclosures
FOUND PROPORTIONING VALVE MALFUNCTIONING. INTERNAL CHECK VALVE INOP, LETTING FLUID IN LINES TO PANELS BLEED BACK INTO TANK. IAW OPS CHECK, THE CHECK CAN BE DONE 3 TIMES. THE VALVE FAILED EACH TIME. REPLACED VALVE WITH ANOTHER NEW VALVE WHICH THEN PASSED THE FLOW CHECK. THIS IS THE PROPORTIONING VALVE IN THE AFT FUSELAGE THAT FEEDS THE RIGHT WING AND STRUT PANELS.
DURING FLOW CHECK, FOUND PROPORTIONING VALVE MALFUNCTIONING. INTERNAL CHECK VALVE INOP, LETTING FLUID IN LINES TO PANELS BLEED BACK INTO TANK. IAW OPS CHECK, THE CHECK CAN BE DONE 3 TIMES. THE VALLVE FAILED EACH TIME. REPLACED VALVE WITH ANOTHER NEW VALVE WHICH THEN PASSED THE FLOW CHECK. THIS IS THE PROPORTIONING VALVE IN THE AFT FUSELAGE THAT FEEDS THE STABILIZER PANELS.
DURING VISUAL INSPECTION NOTICED THAT LEFT WING INBOARD AND RIGHT WING INBOARD TKS PANELS WERE SLIGHTLY DEFORMED ALONG LEADING EDGE FROM WS 37.00 TO WS 47.00. TKS PANELS DID NOT APPEAR LOOSE AND SEEMED TO OPERATE NORMALLY.