N187PH
Registered owner: PUTNAM MARK A, PA (owner ≠ operator)
Operators of this aircraft
Who operated this tail, and how firmly we know it.
| Operator | Role | Period | Basis |
|---|---|---|---|
| Chester County Aviation | Operator | on 2026-09-04 | Operator named in NTSB report |
Accident & incident history
Operated by Chester County Aviation (per NTSB report)
Not yet finalized — may be revised.Maintenance disclosures
Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.
3 reports on file, 1995-03-03 – 1998-05-19.
Part: HEAT EXCHANGER — RUPTURED (LT AFT PYLON)
THE PART IN QUESTION IS A BLEED AIR HEAT EXCHANGER P/N 183680-3-2 USED ON A G-II AIRCRAFT. THE ORIGNAL PART WAS REPLACED DUE TO A RUPTURE OF THE LOW PRESSURE PASSAGE AFTER 18 YEARS AND 6,000 HOURS OF OPERATION. THE EXCHANGE UNIT IN QUESITON IS NOW RUPTURED WITH A TOTAL TIME OF 295 HOURS AND ONE YEAR AND 55 DAYS IN SERVICE. THE AIRCRAFT BLEED AIR SYSTEM IS IN NOMINAL OPERATING ORDER AND HAS IN NO WAY OVERSTRESSED THE UNIT. SUBMITTER SUGGESTED THE FAILURE WAS DUE TO POOR WORKMANSHIP.
Part: DOUBLER — MISMANUFACTURED (FS 580)
WHILE REPAIRING CORROSION FOUND DURING INSPECTION OF THE FS 580 BULKHEAD, ALL 3 SKIN DOUBLERS AT FS 580 HAD TO BE REPLACED DUE TO CORROSION DAMAGE. ALL 3 DOUBLERS WERE ORDERED FROM THE MANUFACTURER. THE OUTBOARD AND INBOARD DOUBLERS WERE RECEIVED AND DETERMINED TO BE SATISFACTORY. THE MIDDLE DOUBLER WAS FOUND TO BE .125 INCH SMALLER AROUND THE ENTIRE LENGTH OF THE OLD PART. THE MANUFACTURER WAS NOTIFIED AND A SECOND REPLACEMENT DOUBLER WAS SENT. THE SECOND DOUBLER WAS FOUND TO BE IDENTICAL TO THE FIRST REPLACEMENT. MFG STATES DOUBLERS WERE THE CORRECT SIZE AND WERE BEING USED ON G1159, G1159A, G1159B, AND GIV'S.
Part: BULKHEAD — CORRODED (FS 580)
WHILE REPAIRING CORROSION FOUND DURING INSPECTION OF THE FS 580 BULKHEAD, ALL 3 SKIN DOUBLERS AT FS 580 HAD TO BE REPLACED DUE TO CORROSION DAMAGE. ALL 3 DOUBLERS WERE ORDERED FROM THE MANUFACTURER. THE OUTBOARD AND INBOARD DOUBLERS WERE RECEIVED AND DETERMINED TO BE SATISFACTORY. THE MIDDLE DOUBLER WAS FOUND TO BE .125 INCH SMALLER AROUND THE ENTIRE LENGTH OF THE OLD PART. THE MANUFACTURER WAS NOTIFIED AND A SECOND REPLACEMENT DOUBLER WAS SENT. THE SECOND DOUBLER WAS FOUND TO BE IDENTICAL TO THE FIRST REPLACEMENT. MFG STATES DOUBLERS WERE THE CORRECT SIZE AND WERE BEING USED ON G1159, G1159A, G1159B, AND GIV'S.