# JASC 8120: Exhaust Turbocharger

- Type: JASC system/component code (FAA)
- ATA chapter: 81 Turbocharging
- Title in the code table: EXHAUST TURBOCHARGER
- Service difficulty reports: 459
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=70
- Page: https://openairdocs.org/jasc/8120

## What it covers

For reports of airframe or engine manufacturer furnished exhaust driven turbocharger systems including the turbocharger unit, density controller and waste gate valve. Does not include the tailpipe. Typical parts are clamp, coupling, rod end, bracket, hose, scroll, bearing, impeller, shaft, etc.

## Service difficulty reports (459, newest 50)

- [SDR 2026FA0000549](https://openairdocs.org/sdr/2026FA0000549), Feb 26, 2026: Cirrus SR22T. COUPLING. CRACKED. DURING THE ANNUAL INSPECTION, BOTH TURBO V-BAND CLAMPS WERE REMOVED FOR INSPECTION AND BOTH WERE FOUND TO HAVE CRACKS IN (N233FD)
- [SDR N3XR202510290001](https://openairdocs.org/sdr/N3XR202510290001), Oct 29, 2025: Diamon DA42. SEAL. FAILED. AIRCRAFT LOST POWER ON RIGHT ENGINEDURING FLIGHT AND WOULD NOT EXCEED ABOVE 40%. THE TURBO ACTUATOR FAILED. (N316ER)
- [SDR 2025FA0000501](https://openairdocs.org/sdr/2025FA0000501), Jun 9, 2025: Cirrus SR22T. TURBOCHARGER. DEFECTIVE. PILOT REPORTED SEVERE POWER LOSS WAS NOT ABLE TO MAINTAIN 100KTS. UNSCHEDULED LANDING AT THE CHALLIS AIRPORT, IDAHO (C53 (N385BL)
- [SDR 1SMA2025030600058](https://openairdocs.org/sdr/1SMA2025030600058), Mar 6, 2025: Piper PA31350. TURBOCHARGER. FAILED. AIRCRAFT EXPERIENCED A LEFT ENGINE POWER FLUCTUATION DURING CRUISE AT 3,500 FEET, EN ROUTE FROM ROTA (GRO) TO SAIPAN (GS (N606JS)
- [SDR 2024FA0000337](https://openairdocs.org/sdr/2024FA0000337), Apr 26, 2024: Diamon DA42. TURBOCHARGER. CRACKED. TURBO EXHAUST MANIFOLD CRACKED ABOUT 2 INCHES LONG. (N132TS)
- [SDR 2024FA0000336](https://openairdocs.org/sdr/2024FA0000336), Apr 26, 2024: Diamon DA42. TURBOCHARGER. CRACKED. TURBO EXHAUST MANIFOLD CRACKED IN TWO PLACES ONE CRACK IS 3/4 THE WAY AROUND THE MANIFOLD (OVER 5.5 INCHES LONG) AND THE (N132TS)
- [SDR 2021F00333](https://openairdocs.org/sdr/2021F00333), Nov 24, 2021: Piper PA31350. TURBOCHARGER. BROKEN. PILOT WAS IN CRUISE FLIGHT AND EXPERIENCED A PARTIAL POWER LOSS AND THEN OIL PRESSURE LOSS OF THE RIGHT ENGINE. PILOT SH (N42WP)
- [SDR 2021FA0000296](https://openairdocs.org/sdr/2021FA0000296), Aug 7, 2021: Diamon. WASTEGATE VALVE. NONE. LH POWER ERRATIC AT FULL THROTTLE. INSPECTED AND FOUND LH TURBO WASTE GATE CONTROLLER NOT HOLDING PRESSURE. REMOVED AND  (N520RA)
- [SDR 2021FA0000120](https://openairdocs.org/sdr/2021FA0000120), Apr 30, 2021: Beech F33A. EXHAUST MIXER. DETACHED. EXHAUST ASSEMBLY MANIFOLD FAILURE AT FULL POWER. PIPE BROKE OFF MANIFOLD ASSEMBLY INLET TO TURBO HEAT MELTED PLENUM DUCT (N43BB)
- [SDR 2021FA0000103](https://openairdocs.org/sdr/2021FA0000103), Apr 9, 2021: Beech 36BEECH. HOSE. DETACHED. PILOT HEARD A "POP" AND LOST ENGINE POWER. VERIFIED POWER LOSS BY MANIFOLD PRESSURE. COMPLETE ENGINE POWER LOSS WAS NOT  (N102HL)
- [SDR IKBR2021030100023](https://openairdocs.org/sdr/IKBR2021030100023), Feb 26, 2021: Cessna T206H. EXHAUST PIPE. CRACKED. WHILE PERFORMING AN OIL CHANGE AND AD 17-11-10, WE DISCOVERED A CRACK IN THE WELD ASSEMBLY P/N 12509927 FOUND JUST AFTER (N35014)
- [SDR 2020FA0000447](https://openairdocs.org/sdr/2020FA0000447), Oct 15, 2020: Diamon DA40NG. ACTUATOR. INOPERATIVE. ON TAKEOFF, DUAL ECU FAILURES NOTED ON PFD, BUT NO LOSS OF POWER. REDUCED POWER TO 92% AND CLIMBED TO SAFE ALTITUDE AT W (N454M)
- [SDR LF1RAUG26580MM](https://openairdocs.org/sdr/LF1RAUG26580MM), Aug 26, 2020: Piper PA46R350T. TURBOCHARGER. WORN. DURING THE ANNUAL INSPECTION, IT WAS NOTED THAT THE RT TURBOCHARGER HAD A LOOSE TURBINE HOUSING. THE TURBINE HOUSING EXH (N580MM)
- [SDR N3XR202008190002](https://openairdocs.org/sdr/N3XR202008190002), Aug 19, 2020: Diamon DA42NG. CONTROLLER. INOPERATIVE. THE LEFT ENGINE ECU A&B INDICATED "BOOST PRESSURE RANGE WITH ERROR". INSPECTION REVEALED THAT THE WASTE GATE CONTROLLER  (N306ER)
- [SDR N3XR20200819004](https://openairdocs.org/sdr/N3XR20200819004), Aug 18, 2020: Diamon DA42NG. CONTROLLER. INOPERATIVE. DURING THE TAKE OFF ROLL THE ECU INDICATED A "BOOST PRESSURE SYSTEM FAILURE". INSPECTION REVEALED A FAILED WASTE GOATE C (N303ER)
- [SDR N3XR20200819003](https://openairdocs.org/sdr/N3XR20200819003), Aug 18, 2020: Diamon DA42NG. CONTROLLER. INOPERATIVE. DURING THE TAKE OFF ROLL THE ECU INDICATED A "BOOST PRESSURE SYSTEM FAILURE". INSPECTION REVEALED A FAILED WASTE GOATE C (N303ER)
- [SDR 2020FA0000343](https://openairdocs.org/sdr/2020FA0000343), Jul 24, 2020: Diamon DA40NG. ACTUATOR. DETERIORATED. WASTEGATE ACTUATOR FAILS CAUSING ECU OVERBOOST FAIL CODES. WHEN THE ACTUATOR IS PRESSURE TESTED IT IS FOUND TO LEAK AIR  (N416BL)
- [SDR 2020FA0000359](https://openairdocs.org/sdr/2020FA0000359), Jul 20, 2020: Cirrus SR22. CHECK VALVE. SEPARATED. AT CRUISE PILOT REALIZED A LOSS IN OIL PRESSURE. DECLARED AN EMERGENCY, AND LANDED. ON INSPECTION, FOUND THAT THE LEFT T (N792PG)
- [SDR N3XR202008190001](https://openairdocs.org/sdr/N3XR202008190001), Jun 26, 2020: Diamon DA42NG. CONTROLLER. INOPERATIVE. DURING PRE-TAKE RUN UP, THE LT ENGINE ECU INDICATED A TURBO BOOST PROBLEM. THE WASTE GATE CONTROLLER WAS REPLACED AND TH (N303ER)
- [SDR 2020FA0000205](https://openairdocs.org/sdr/2020FA0000205), Mar 16, 2020: Diamon DA40NG. ACTUATOR. INOPERATIVE. ON TAKE OFF. DUAL ECU FAILURE NOTED ON PDF. PILOT LANDED SAFELY. MX INSPECTED AND FOUND WASTEGATE ACTUATOR INOP. REPLACE (N416BL)
- [SDR 2020FA0000181](https://openairdocs.org/sdr/2020FA0000181), Feb 26, 2020: Piper PA23250. SCREW. LOOSE. WHILE IN FLIGHT, SCREW P/N: 20-0096-4 CAME LOOSE FROM TURBO OIL PUMP P/N: 096-SCD-003-3, CAUSING HYDRAULIC POWER LOSS. (N6867Y)
- [SDR 2020FA0000294](https://openairdocs.org/sdr/2020FA0000294), Feb 21, 2020: Diamon DA40NG. ACTUATOR. INOPERATIVE. ON TAKEOFF, DUAL ECU FAILURES NOTED ON PDF. ABORTED TAKEOFF. MX INSPECTED AND FOUND WASTEGATE ACTUATOR INOP. REPLACED AC (N718NG)
- [SDR XGNA2020F00000](https://openairdocs.org/sdr/XGNA2020F00000), Nov 4, 2019: Cessna 402B. CONTROLLER. INOPERATIVE. RIGHT ENGINE WILL NOT MAINTAIN CORRECT MANIFOLD PRESSURE. (N4165G)
- [SDR CA190724007](https://openairdocs.org/sdr/CA190724007), Jul 22, 2019: Diamon DA40NG. ACTUATOR. FAILED. (CAN) PILOT REPORTED DUAL ECU FAILURE DURING TAKE-OFF, FAILURE CODE 1E12. IT WAS FOUND THAT THE WASTE GATE ACTUATOR WOUL
- [SDR CA190610016](https://openairdocs.org/sdr/CA190610016), Jun 6, 2019: Diamon DA42MNG. CONTROLLER. MALFUNCTIONED. (CAN) AIRCRAFT HAD JUST COMPLETED A 200 HR INSPECTION AND ENGINE GROUND RUNS WERE BEING CARRIED OUT. BOTH ENGINES WERE S
- [SDR 2019FA0000173](https://openairdocs.org/sdr/2019FA0000173), Jun 4, 2019: Piper PA46350P. GASKET. IMPROPER PART. DISCOVERED DURING MAINTENANCE, TCM CONTINENTAL TURBO FLANGE GASKETS, P/N: 636465, INSTALLED ON THIS LYCOMING ENGINE. THE (N929RR)
- [SDR 2020FA0000115](https://openairdocs.org/sdr/2020FA0000115), Apr 23, 2019: Piper PA32RT300T. TURBOCHARGER. FAILED. TURBOCHARGER FAILURE DUE TO MAIN BEARING FAILURE. TURBOCHARGER LOCKED UP (FROZE) AND BLOCKED AIR TO THE INDUCTION SYSTEM (N401SL)
- [SDR CA190510016](https://openairdocs.org/sdr/CA190510016), Apr 20, 2019: Diamon DA42. TURBOCHARGER. FAILED. (CAN) LOW OIL PRESSURE IN RH ENGINE OBSERVED, FOLLOWED BY OIL ODOR IN CABIN, FOLLOWED BY LOSS OF ENGINE POWER. ENGINE WA
- [SDR 2019F00125](https://openairdocs.org/sdr/2019F00125), Feb 18, 2019: Piper PA31350. BEARING. FAILED. NEW TURBOCHARGER INSTALLATION, POST INSTALL GROUND RUN UP NORMAL IN ALL RESPECTS. AIRCRAFT FLEW ONE SHORT FLIGHT WITH MI (N257SH)
- [SDR 2019FA0000027](https://openairdocs.org/sdr/2019FA0000027), Jan 22, 2019: Diamon DA42NG. ACTUATOR. FAILED. ON UPWIND DEPARTURE THE RIGHT ENGINE ECU FAILURE B CAME UP. PILOTS CAME BACK AND LANDED. RT ENGINE ECU FAILURE. CODE WAS (N131TS)
- [SDR 2017FA0000541](https://openairdocs.org/sdr/2017FA0000541), Oct 24, 2017: Cessna 402B. TURBOCHARGER. LEAKING. DURING DESCENT INTO KANE AIRPORT PILOT COULD SEE OIL STREAKING BACK FROM TOP COWL LOUVERS. AFTER A FEW MINUTES HE ALSO N (N6384X)
- [SDR 2017FA0000510](https://openairdocs.org/sdr/2017FA0000510), Sep 29, 2017: Diamon DA40. TURBOCHARGER. SEIZED. A STUDENT PILOT WAS FLYING THE AIRCRAFT DURING A CRUISE SEGMENT OF FLIGHT. THE AIRCRAFT ENGINE SUDDENLY STARTED TO LOSE  (N713HX)
- [SDR 2017FA0000495](https://openairdocs.org/sdr/2017FA0000495), Jul 29, 2017: SHAFT. FAILED. PILOT NOTICED SMOKE COMING FROM THE LEFT ENGINE EXHAUST DURING CRUISE FLIGHT. PERFORMED A PRECAUTIONARY LANDING. INSPECT (N31DT)
- [SDR 2017FA0000300](https://openairdocs.org/sdr/2017FA0000300), Jul 25, 2017: Diamon DA40. TURBOCHARGER. CRACKED. DURING PHASE INSPECTION THE TURBOCHARGER BEARING FLANGE WHERE IT MEETS THE TURBOCHARGER TURBINE WAS CRACKED IN TWO PLACE (N742CC)
- [SDR 2017FA0000260](https://openairdocs.org/sdr/2017FA0000260), Jun 20, 2017: Diamon DA42NG. ACTUATOR. BROKEN. PILOTS HAD A POWER REDUCTION OF THE RIGHT HAND ENGINE. THE ENGINE HAD 47% POWER WITH POWER LEVERS AT 100%. THE RIGHT ENG (N131TS)
- [SDR YAXA2017020901](https://openairdocs.org/sdr/YAXA2017020901), Feb 1, 2017: Piper PA31350. TURBOCHARGER. LEAKING. DURING ROUTINE 100 HOUR INSPECTION, THE LEFT TAILPIPE WAS FOUND TO HAVE BURNT OIL ON IT. THE TAILPIPE WAS REMOVED FOR FU (N765KP)
- [SDR 2017FA0000022](https://openairdocs.org/sdr/2017FA0000022), Jan 24, 2017: Cessna 414A. MANIFOLD. FLUCTUATES. RIGHT ENGINE MANIFOLD PRESSURE FLUCTUATING IN FLIGHT (N414XX)
- [SDR 2017F00028](https://openairdocs.org/sdr/2017F00028), Jan 17, 2017: Piper PA46R350T. WASTEGATE VALVE. CRACKED. MANIFOLD PRESSURE OSCILLATED UNCONTROLLABLY FOR 30 SECONDS. REDUCING POWER MAY HAVE STOPPED OSCILLATION. OCCURRED DURING (N2304D)
- [SDR 2017FA0000012](https://openairdocs.org/sdr/2017FA0000012), Jan 13, 2017: Diamon DA42NG. CLAMP. CRACKED. DURING INSPECTION IAW AD 2016-23-03, THE TURBO CHARGER V-BAND WAS FOUND CRACKED. THE CLAMP HAD BEEN REPLACED 302.5 HRS.  (N846T)
- [SDR JIKA2016121501](https://openairdocs.org/sdr/JIKA2016121501), Dec 15, 2016: Piper PA31350. TURBOCHARGER. FAILED. DURING CLIMB, EXPERIENCED THE RIGHT ENGINE RPM FLUCTUATED. ADVANCED THROTTLE & NO POWER CHANGE OR CHANGE IN MANIFOLD PRE (N59973)
- [SDR 2016FA0000413](https://openairdocs.org/sdr/2016FA0000413), Sep 6, 2016: Diamon DA40. IMPELLER. SEIZED. THE PILOT EXECUTED AN EMERGENCY LANDING IN A FIELD DUE TO ENGINE POWER LOSS. DURING THE INSPECTION OF THE ENGINE AND AIR (N605SJ)
- [SDR HPFR2016FA0000281](https://openairdocs.org/sdr/HPFR2016FA0000281), May 5, 2016: Piper PA46350P. TURBOCHARGER. FAILED. PILOT REPORTED LOSS OF POWER, FOLLOWED BY PRESSURIZATION LOSS. DURING CLIMB, ENGINE KEPT RUNNING WELL, BUT POWER WAS LIM (N218MW)
- [SDR 2017FA0000030](https://openairdocs.org/sdr/2017FA0000030), May 1, 2016: Mooney M20K. CLAMP. BROKEN. V BAND CLAMP HOLDING TURBOCHARGER ONTO EXHAUST BROKE AT THE SPOT WELD. (N321QC)
- [SDR 2016FA0000029](https://openairdocs.org/sdr/2016FA0000029), Jan 26, 2016: Diamon DA40. HOSE. RUPTURED. THE PILOT SAID HE HAD PARTIAL POWER LOSS DURING TAKEOFF/CLIMB. TECH VISUALLY INSPECTED ENGINE AND FOUND THE FLEX HOSE FR (N386AP)
- [SDR MAMR2015121600654](https://openairdocs.org/sdr/MAMR2015121600654), Dec 4, 2015: Beech V35. HOUSING. DAMAGED. TURBOCHARGER RECEIVED IN FOR INSPECTION, FOUND THE TURNINE HOUSING HAD DEVELOPED A GROWTH OR DEFORMITY IN THE CASTING. T (N354DP)
- [SDR 2015FA0000606](https://openairdocs.org/sdr/2015FA0000606), Nov 3, 2015: Beech V35. HOUSING. DEFORMED. TURBOCHARGER RECEIVED IN FOR INSPECTION. FOUND THE TURBINE HOUSING HAD DEVELOPED A GROWTH OR DEFORMITY IN THE CASTING. T (N110CC)
- [SDR MAMR2015FA0000607](https://openairdocs.org/sdr/MAMR2015FA0000607), Oct 29, 2015: Cessna TR182. CHECK VALVE. BROKEN. TURBOCHARGER: PN 465292-9002, SN ZKNOO210. TURBOCHARGER HAS SUFFERED A LACK OF LUBRICATION CONDITION DURING OPERATION TH
- [SDR VNFR2015102700507](https://openairdocs.org/sdr/VNFR2015102700507), Sep 21, 2015: Cessna T206H. DRAIN. COKED. PILOT REPORTED LOW OIL PRESSURE DURING FLIGHT. DECLARED EMERGENCY LANDING. UPON INSPECTION EXCESSIVE COKING WAS FOUND AT (N7274C)
- [SDR BGJA20150721001](https://openairdocs.org/sdr/BGJA20150721001), Jul 15, 2015: Cessna 414A. WASTEGATE VALVE. FAILED. DURING TAKEOFF ROLL, THE RT ENG WOULD NOT MAKE FULL POWER. THE PILOT CANCELLED THE TAKEOFF & RETURNED TO THE SHOP. THE A (N4057C)
- [SDR CA150617015](https://openairdocs.org/sdr/CA150617015), Jun 8, 2015: Piper PA31350. TURBOCHARGER. MALFUNCTIONED. (CAN) CREW LANDED AT HOME BASE NOTIFIED AME OF RT ENGINE BURNING OIL AND NOT DEVELOPING FULL POWER. AME INSPECTED ENGINE

All 459: https://openairdocs.org/jasc/8120/reports.md

## Other codes in chapter 81

- [JASC 8100](https://openairdocs.org/jasc/8100): Exhaust Turbine System (Reciprocating) (20 reports)
- [JASC 8110](https://openairdocs.org/jasc/8110): Power Recovery Turbine (5 reports)
- [JASC 8197](https://openairdocs.org/jasc/8197): Turbocharger System Wiring (0 reports)

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