C182 pilot reported loss of engine power while circling over an uncontrolled airport.

Narrative:

After a routine; start up; run-up; and takeoff from ZZZ; with 4 tandem sky divers aboard; we climbed to 10;000 feet MSL; I announced to approach as usual 1 minute prior to jump. Everything went normal the jumpers jumped out of the plane and nothing happened until the descent. I was circling ZZZ to keep the jumpers in sight because approach tells me to notify when jumpers are no factor. When I was around 7;000 feet MSL I noticed an abrupt loss of engine power; specifically the manifold pressure gauge decreased close to 0 inches. The engine kept sputtering for a few seconds almost like it was from fuel starvation; but eventually seemed to turn off as if the mags were off when they were still on both. I immediately started my engine failure in flight memory items checklist for a C-182. I either missed or did the magneto check too fast because the engine did not start back up. I informed approach that I had no engine power; [requested priority handling]; and squawked XXXX. I then executed the forced landing checklist and landed with no power at ZZZ on runway X; with around 9 gallons aside. When I was on the CTAF and landed; the operator of the plane told me to try turning the plane back on with the left mag only; and the plane turned on as if there was no problem. Shortly after; we had an a&P look at it and decided it was the ground for the right magneto was making the magneto misfire at the wrong time.

Original NASA ASRS Text

Title: C182 pilot reported loss of engine power while circling over an uncontrolled airport.

Narrative: After a routine; start up; run-up; and takeoff from ZZZ; with 4 tandem sky divers aboard; we climbed to 10;000 feet MSL; I announced to Approach as usual 1 minute prior to jump. Everything went normal the jumpers jumped out of the plane and nothing happened until the descent. I was circling ZZZ to keep the jumpers in sight because Approach tells me to notify when jumpers are no factor. When I was around 7;000 feet MSL I noticed an abrupt loss of engine power; specifically the manifold pressure gauge decreased close to 0 inches. The engine kept sputtering for a few seconds almost like it was from fuel starvation; but eventually seemed to turn off as if the mags were off when they were still on both. I immediately started my engine failure in flight memory items checklist for a C-182. I either missed or did the magneto check too fast because the engine did not start back up. I informed Approach that I had no engine power; [requested priority handling]; and squawked XXXX. I then executed the forced landing checklist and landed with no power at ZZZ on Runway X; with around 9 gallons aside. When I was on the CTAF and landed; the operator of the plane told me to try turning the plane back on with the left mag only; and the plane turned on as if there was no problem. Shortly after; we had an A&P look at it and decided it was the ground for the right magneto was making the magneto misfire at the wrong time.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

Attributes
ACN	1662089
Time
Date	201907
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	Skylane 182/RG Turbo Skylane/RG
Operating Under FAR Part	Part 91
Flight Phase	Descent
Route In Use	Visual Approach
Flight Plan	None
Component
Aircraft Component	Magneto/Distributor
Person 1
Function	Pilot Flying Single Pilot
Qualification	Flight Crew Commercial Flight Crew Instrument Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 46 Flight Crew Total 354 Flight Crew Type 170
Events
Anomaly	Aircraft Equipment Problem Critical