What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Narrative: ref. Block "b" tsn are as follows: s/n LF-05224 - 16,223, s/n LF-05060 - 20,512, LF-05319 - 13,882, LF-05324 - 12,650. Aircraft in level flight @ 29,000 ft., OAT - 40 degrees c, wx clear. Aircraft entered a cloud and encountered icing. Ice lights remained off but crew noticed ice on wiper blades. Crew began descent to lower altitude - selected lower power setting to reduce air speed. All four engines rolled back to 40 - 45%. Crew shut down #1 and #2 engines. Engines 3 and 4 came back up with no actions from flight crew. Crew restarted #2; was unable to start #1. Landed dsm with no further incident. Subsequent inspection revealed ice detection system functioning correctly. #1 and #2 engines given a windmill inspection. This incident is considered closed with this report.
As the FAA filed it
NARRATIVE: REF. BLOCK "B" TSN ARE AS FOLLOWS: S/N LF-05224 - 16,223, S/N LF-05060 - 20,512, LF-05319 - 13,882, LF-05324 - 12,650. AIRCRAFT IN LEVEL FLIGHT @ 29,000 FT., OAT - 40 DEGREES C, WX CLEAR. AIRCRAFT ENTERED A CLOUD AND ENCOUNTERED ICING. ICE LIGHTS REMAINED OFF BUT CREW NOTICED ICE ON WIPER BLADES. CREW BEGAN DESCENT TO LOWER ALTITUDE - SELECTED LOWER POWER SETTING TO REDUCE AIR SPEED. ALL FOUR ENGINES ROLLED BACK TO 40 - 45%. CREW SHUT DOWN #1 AND #2 ENGINES. ENGINES 3 AND 4 CAME BACK UP WITH NO ACTIONS FROM FLIGHT CREW. CREW RESTARTED #2; WAS UNABLE TO START #1. LANDED DSM WITH NO FURTHER INCIDENT. SUBSEQUENT INSPECTION REVEALED ICE DETECTION SYSTEM FUNCTIONING CORRECTLY. #1 AND #2 ENGINES GIVEN A WINDMILL INSPECTION. THIS INCIDENT IS CONSIDERED CLOSED WITH THIS REPORT.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.