# JASC 7603: Power Lever

- Type: JASC system/component code (FAA)
- ATA chapter: 76 Engine Controls
- Title in the code table: POWER LEVER
- Service difficulty reports: 1,582
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=66
- Page: https://openairdocs.org/jasc/7603

## What it covers

The system which provides for control of carburetor or fuel injectors on piston engines; fuel controls or coordinator on turbine engines; and propeller regulator turboprop engines. Typical parts are cable, rod, rod end, bellcrank, bracket, clamp, actuator, shaft, shaft pin, knob, etc.

## Service difficulty reports (1,582, newest 50)

- [SDR N6WA2026081701](https://openairdocs.org/sdr/N6WA2026081701), Aug 14, 2026: Cndair CL6002C11. CONTROL VALVE. FAULTED. RT THRUST LEVER WILL NOT ADVANCE ABOVE IDLE WITH ENG RUNNING FOR TAKEOFF. REMOVED AND REPLACED T/R DCV IAW AMM 78-32-01  (N549GJ)
- [SDR QR9R2026081300001](https://openairdocs.org/sdr/QR9R2026081300001), Aug 13, 2026: Bolkms BK117C2. CABLE. BINDING. NEW #1 ENGINE N2 CABLE RECEIVED IS BINDING SITTING IN RESTING POSITION AND GETS WORSE AS CABLE IS BENT INTO SIMILAR SHAP
- [SDR ABXA20260812359](https://openairdocs.org/sdr/ABXA20260812359), Aug 12, 2026: Boeing 767338. THROTTLE. STIFF. STIFF RESISTANCE FELT ON THROTTLE LEVERS. SLOW ACCELERATION AND RESPONSE DURING TAXI. A/C RETURNED TO THE GATE (BTB). MT (N317CM)
- [SDR 2026FA0000581](https://openairdocs.org/sdr/2026FA0000581), Jun 19, 2026: Cessna 525. CONTROL CABLE. BINDING. LH ENGINE THROTTLE CONTROL STIFF / BINDING. (N600AL)
- [SDR QXEA2026061000135](https://openairdocs.org/sdr/QXEA2026061000135), Jun 9, 2026: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. "AT FAIL" MASTER CAUTION ON EICAS 8-10 MIN AFTER AIRCRAFT POWER UP . PLACED ON MEL. MEL CLEARED BY VERIFIED FCS 22310020 (N659QX)
- [SDR QXEA2026051200114](https://openairdocs.org/sdr/QXEA2026051200114), May 10, 2026: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. THROTTLES ARE VERY STIFF & STICKY THROUGHOUT RANGE OF TRAVEL. REMOVED FROM SERVICE. REMOVED AND REPLACED THROTTLE CONTRO (N661QX)
- [SDR QXEA2026042700093](https://openairdocs.org/sdr/QXEA2026042700093), Apr 22, 2026: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. AT FAIL CAUTION EICAS MESSAGE DURING DESCENT. PLACED ON MEL MEL CLEARED BY: FAULT NOT ACTIVE ON STARTUP. FOUND FC 223100 (N643QX)
- [SDR 2026FA0000285](https://openairdocs.org/sdr/2026FA0000285), Apr 21, 2026: Cessna 172S. THROTTLE CABLE. SEVERED. LOSS OF THROTTLE CONTROL IN FLIGHT, DUE TO SEVERED THROTTLE CABLE. (N454AG)
- [SDR QXEA2026040100076](https://openairdocs.org/sdr/QXEA2026040100076), Mar 31, 2026: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. FLIGHT 2133. REVERSERS ARE DIFFICULT TO INITIATE. DIFFICULTY IS IN THE GATES, NO ABLE TO PULL UP ON THEM DURING THE ROLL (N624QX)
- [SDR WX0A2026022332737](https://openairdocs.org/sdr/WX0A2026022332737), Feb 20, 2026: Airbus A320214. CONTROL UNIT. INTERMITTENT. (EMERGENCY DECLARED) (AIRCRAFT NOT GROUNDED) ENG 1 THRUST LEVER DISAGREE ECAM TRANSIENT INITIALLY, STAYED ON AFTER MULTI (N235NV)
- [SDR QXEA2026021100030](https://openairdocs.org/sdr/QXEA2026021100030), Feb 11, 2026: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. FLIGHT 2460. ON FINAL AT 2000 FT AIRCRAFT WENT INTO GO AROUND MODE UNCOMMANDED. LANDED UNEVENTFULLY. REMOVED FROM SERVIC (N650QX)
- [SDR BAGA2026011900003](https://openairdocs.org/sdr/BAGA2026011900003), Jan 16, 2026: Airbus BD5001A11. THROTTLE. FAILED. AT CRUISE, FL 360, RECEIVED RT THROTTLE FAILED CAUTION MESSAGE. RAN QRH AND DIVERTED TO MEM. REMOVED AND REPLACED THROTT (N236BZ)
- [SDR DXTA2026010806475](https://openairdocs.org/sdr/DXTA2026010806475), Jan 6, 2026: Cessna 680A. THROTTLE. FAULTY. LEFT ENGINE THROTTLE LEVER. UPON RUNWAY LINE-UP, FIRST OFFICER ADVANCED THROTTLES, LEFT THROTTLE DID NOT ADVANCE BEYOND  (N641QS)
- [SDR P6VA20251204001](https://openairdocs.org/sdr/P6VA20251204001), Dec 3, 2025: Cessna 525A. THROTTLE. DIRTY. DURING CRUISE FLIGHT LEFT ENGINE THROTTLE STUCK AT 95% N2 WITH NO ABILITY TO ADJUST. LEFT ENGINE THROTTLE CUTOFF ALSO LO (N525MA)
- [SDR QXEA2025120100358](https://openairdocs.org/sdr/QXEA2025120100358), Nov 28, 2025: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. FLIGHT 2406. NR 2 TLA STICKY AT LOW POWER, ABOVE IDLE. REV NOT AFFECTED. REMOVED FROM SERVICE. REPLACED TCQ WITH SERVICA (N646QX)
- [SDR QXEA2025112400356](https://openairdocs.org/sdr/QXEA2025112400356), Nov 22, 2025: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. PILOT REPORTS "ENG TLA TRIM FAIL" ON EICAS ON A/C POWER UP. REMOVED FROM SERVICE. INTERROGATED CMC, NO FAULTS FOUND. PER (N643QX)
- [SDR F3LA202511060323](https://openairdocs.org/sdr/F3LA202511060323), Nov 3, 2025: Airbus A321211. THROTTLE. FOD. THIRD WRITE-UP THRUST LEVERS STIFF. REQUIRES SO MUCH FORCE TO COME OUT OF REVERSE THAT LEVERS INADVERTENTLY GO TO CLIMB  (N710FR)
- [SDR CALA2025101710220](https://openairdocs.org/sdr/CALA2025101710220), Oct 13, 2025: Boeing 757224. THROTTLE. OBSTRUCTED. LARGE SPLIT ON THROTTLE TO TRY TO OBTAIN TO THRUST. ENGINE UNAB LE TO MAKE TAKEOFF POWER PERFORMED TEST 13 (TAKE OFF POW (N21108)
- [SDR DALA2025101007392](https://openairdocs.org/sdr/DALA2025101007392), Oct 9, 2025: Airbus A320212. CONTROL UNIT. FAULTED. DIV - DIVERTED TO RDU DUE TO AN ENG 2 THROTTLE LEVER DISAGREE MESSAGE. REPLACED THROTTLE CONTROL UNIT PER A320AMM 76-11. (N352NW)
- [SDR 2025FA0000694](https://openairdocs.org/sdr/2025FA0000694), Oct 8, 2025: Gulstm GIVG400. THROTTLE CABLE. BROKEN. RIGHT THROTTLE FAILED TO ADVANCE ON TAKEOFF. FOUND BROKEN RIGHT THRUST REVERSER AFT INTERLOCK FEEDBACK CABLE FLEXIBLE CA (N218MD)
- [SDR 8SMA202509090001](https://openairdocs.org/sdr/8SMA202509090001), Aug 29, 2025: Pilats PC1247E. THROTTLE. FAULTED. PILOT REPORTED AN UNCOMMANDED LOSS OF THRUST DURING INITIAL CLIMB AFTER TAKING OFF. AFTER REVIEW WITH PILATUS, P&WC, HON (N26XM)
- [SDR DXTA2025080104399](https://openairdocs.org/sdr/DXTA2025080104399), Jul 29, 2025: Cessna 680SOV. THROTTLE. UNKNOWN. WHILE IN A DESCENT FROM FL 410 TO FL 340 ZERO, WITH THE THRUST LEVERS AT IDLE, THERE WAS A VIBRATION FROM THE RIGHT ENGI (N372QS)
- [SDR QXEA2025072400282](https://openairdocs.org/sdr/QXEA2025072400282), Jul 23, 2025: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. FLIGHT 2171. DURING T/O REACHING 1000/ AGL THE #2 THRUST LEVER DECREASED TO THE POINT THAT THE A/T DISENGAGED. WE ADVANC (N626QX)
- [SDR QXEA2025060900251](https://openairdocs.org/sdr/QXEA2025060900251), Jun 8, 2025: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. 'AT FAULT' MSG ON EICAS AFTER AUTOTHROTTLE ENGAGED ON TAKEOFF REMOVED FROM SERVICE. REPLACED TCQ ASSY IAW E175 AMM 76-11 (N629QX)
- [SDR AALA202506048034](https://openairdocs.org/sdr/AALA202506048034), Jun 3, 2025: Boeing 737823. LEVER. OUT OF ADJUST. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: ON CLIMB BETWEEN FL260 AND FL300 WITH ENGINE ANTI-ICE ON. T (N892NN)
- [SDR QXEA2025052300226](https://openairdocs.org/sdr/QXEA2025052300226), May 22, 2025: Emb ERJ170200LR. THROTTLE. FAULTED. TECHNICAL ORDER – PARTS REPLACEMENT – THROTTLE QUADRANT TCQ REPLACEMENT DUE TO FAULT TREND IN AHEADPRO. " A/T FAIL" CAUT (N657QX)
- [SDR QXEA2025051200176](https://openairdocs.org/sdr/QXEA2025051200176), May 9, 2025: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. FLIGHT 2215- IN CRUISE AUTO BRAKE FAIL MASTER CAUTION APPEARED ON CAS FOR APPROXIMATLY 30 SECONDS AND EXTINGUISHED IT DI (N658QX)
- [SDR QMLA2025042020050](https://openairdocs.org/sdr/QMLA2025042020050), Apr 20, 2025: Pilats PC1247. THROTTLE. FAULTED. DURING CLIMBOUT, AT 8,000 FEET MSL, THERE WAS NO THROTTLE RESPONSE FOR APPROXIMATELY THE LAST 20% OF THROTTLE LEVER TRAV (N959MA)
- [SDR QXEA2025041600118](https://openairdocs.org/sdr/QXEA2025041600118), Apr 15, 2025: Emb ERJ170200LR. CONTROL QUADRANT. MALFUNCTIONED. TECHNICAL ORDER – PARTS REPLACEMENT - PRIORITY 2 - THRUST CONTROL QUADRANT REPLACEMENT. REMOVED AND REPLACED THRUST CONT (N645QX)
- [SDR 2025FA0000280](https://openairdocs.org/sdr/2025FA0000280), Apr 14, 2025: Tecnam P2010. THROTTLE. DISCONNECTED. WHILE TAXIING THE AIRCRAFT, THE PILOT EXPERIENCED A COMPLETE LOSS OF ENGINE CONTROL DUE TO A FAILURE OF THE THROTTLE AND (N1474W)
- [SDR QXEA2025022400053](https://openairdocs.org/sdr/QXEA2025022400053), Feb 21, 2025: Emb ERJ170200LR. THROTTLE. DAMAGED. FLIGHT 2060. #1 THOTTLE LEVER IS CRACKED AND PIECES ARE FALLING OFF. REMOVED FROM SERVICE. REMOVED AND REPLACED THRUST C (N644QX)
- [SDR QXEA2025021700027](https://openairdocs.org/sdr/QXEA2025021700027), Feb 14, 2025: Emb ERJ170200LR. THROTTLE. NONE. WORK ORDER 348091. THROTTLE QUADRANT REPLACED BY TECHNICAL ORDER DUE TO AHEAD MESSAGES. (N644QX)
- [SDR QXEA2025013100015](https://openairdocs.org/sdr/QXEA2025013100015), Jan 30, 2025: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. FLIGHT 2358. ON T/O AT FAULT CYAN MSG ON EICAS. MANUALLY MATCHED THROTTLE LH THAT LAGGED RH. SHORTLY AFTER L/O FL250 AT  (N648QX)
- [SDR DXTA2024111401140](https://openairdocs.org/sdr/DXTA2024111401140), Nov 13, 2024: Cessna 680SOV. THROTTLE CONTROL. FAULTED. DURING TAXI OUT AND RUDDER BIAS CHECK NOTICED RIGHT THROTTLE CATCHING AS ITS ADVANCES. FEELS LIKE IT IS BINDING ON ITSEL (N361QS)
- [SDR QXEA2024101000235](https://openairdocs.org/sdr/QXEA2024101000235), Oct 10, 2024: Emb ERJ170200LR. LEVER. MALFUNCTIONED. #1 ENGINE THRUST LEVER DOES NOT RETURN TO MIN REV POSITION AFTER MAX REV WAS USED WITHOUT MANUALLY MOVING THE #1 LEVER T (N651QX)
- [SDR FDEA202410091453](https://openairdocs.org/sdr/FDEA202410091453), Oct 9, 2024: Boeing 777FS2. THROTTLE CONTROL. MALFUNCTIONED. DURING LEFT ENGINE START, WITH THE RIGHT ENGINE SHUTDOWN, BOTH THROTTLES ADVANCED UNCOMMANDED TOWARDS MAX POWER. CREW PU (N855FD)
- [SDR QXEA2024100400228](https://openairdocs.org/sdr/QXEA2024100400228), Oct 3, 2024: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. FLIGHT 2160. THRUST REVERSER #1 VERY DIFFICULT TO ENGAGE UPON LANDING DUE TO REVERSER SWITCH NOT RELEASING (UNABLE TO PU (N623QX)
- [SDR ANCF20240929019](https://openairdocs.org/sdr/ANCF20240929019), Sep 29, 2024: Airbus A320214. LEVER. DAMAGED. THR LEVER NOT SET. RTO RWY O1 THR LEVER NOT SET TO TAKE OFF THRUST, FMA INDICATED MAN FLX, ENG 2 TOOK LONG TIME TO SPOOL (N961AV)
- [SDR 2024F00199](https://openairdocs.org/sdr/2024F00199), Aug 4, 2024: Boeing 737800*. THROTTLE. FAULTED. AUTOTHROTTLE DOES NOT ARM
- [SDR 2024FA0000558](https://openairdocs.org/sdr/2024FA0000558), Aug 1, 2024: Cirrus SR20. THROTTLE ARM. BROKEN. PILOT EXPERIENCED SEPARATION OF THE THROTTLE LEVER FROM THE AIRCRAFT THROTTLE QUADRANT DURING RUNUP FOR TAKEOFF. AS FULL (N2146)
- [SDR QMLA2024072920093](https://openairdocs.org/sdr/QMLA2024072920093), Jul 25, 2024: Gulstm 200. SPACER. OUT OF LIMITS. THROTTLE LINKAGE SPACER OUT OF POSITION CAUSED THE PROPELLER TO TRY TO GO INTO BETO RANGE EARLY DURING FINAL APPROACH TO (N969MA)
- [SDR DALA2024061406093](https://openairdocs.org/sdr/DALA2024061406093), Jun 10, 2024: Boeing 737832. THROTTLE. FAULTED. SHIP 3735 -ATO- DUE TO LEFT ENGINE THROTTLE RESPONSE ISSUES AND APPROACHING N1 OVERSPEED. CORRECTIVE ACTION: REPLACING L (N3735D)
- [SDR S9BA2024060403](https://openairdocs.org/sdr/S9BA2024060403), May 31, 2024: Dhav DHC6300. MOUNT FITTING. BROKEN. CREW REPORTED; WHEN RIGHT FUEL LEVER SELECTED OFF, RIGHT ENGINE DID NOT SHUT DOWN. MAINTENANCE INSPECTED ENGINE CONTROL 
- [SDR 454A2024F00142](https://openairdocs.org/sdr/454A2024F00142), May 26, 2024: Bolkms BK117C2. SPRING. WORN. AFTER LEVELING OUT FROM TAKE-OFF FROM KSAT TO HOUSTON THE LOW RPM WARNING LIGHT WITH AUDIO STARTED GOING OFF. I VERIFIED (N145SM)
- [SDR QXEA2024051600126](https://openairdocs.org/sdr/QXEA2024051600126), May 14, 2024: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. AUTOTHROTTLE DISCONNECTED 3 TIMES WHILE IN FLIGHT. OCCURED WHILE ON DESCENT AT 1000' PER MINUTE 280 KNOTS. REMOVED FROM  (N664QX)
- [SDR QXEA2024051300124](https://openairdocs.org/sdr/QXEA2024051300124), May 11, 2024: Emb ERJ170200LR. POWER LEVER. EXCESS PLAY. #2 POWER LEVER HAS LOTS OF PLAY, REMOVED FROM SERVICE. REPLACED THRUST CONTROL QUADRANT PER E175 AMM 76-11-01-000-801-A7 (N626QX)
- [SDR V6NA2024022701.1](https://openairdocs.org/sdr/V6NA2024022701.1), Feb 27, 2024: Cndair CL6002B16. THROTTLE. FAULTED. DURING THE FIELD ACCIDENT INVESTIGATION FOR N823KD CL604 S/N 5584, IT WAS MENTIONED THAT SEVERAL YEARS AGO A CHALLENGER 
- [SDR DALA2024021302016](https://openairdocs.org/sdr/DALA2024021302016), Feb 10, 2024: Airbus A319114. SENSOR. FAULTED. SHIP 3119 - ATO - AT 40KTS DUE TO A MOMENTARY #2 THRUST LEVER ANGLE SENSOR FAULT. CORRECTIVE ACTION: DEFERRED TLA SENSOR (N319NB)
- [SDR DALA2024012901215](https://openairdocs.org/sdr/DALA2024012901215), Jan 28, 2024: Airbus A320211. CONTROL LEVER. FAULTED. SHIP 3278 DISC: (DIV) ENG 2 THR LEVER DISAGREE CATION ECAM MSG. PERFORMED ECAM ACTIONS FOLLOWED BY QRH PROCEDURES. DECLA (N378NW)
- [SDR QXEA2024012500022](https://openairdocs.org/sdr/QXEA2024012500022), Jan 21, 2024: Emb ERJ170200LR. THROTTLE. MALFUNCTIONED. DUE TO AHEAD PRO FAULT CODES FOR THROTTLE SPLIT, REPLACE THE THROTTLE QUADRANT. QUADRANT REPLACED IAW AMM 76-11-01-000-8 (N660QX)

All 1,582: https://openairdocs.org/jasc/7603/reports.md

## Other codes in chapter 76

- [JASC 7600](https://openairdocs.org/jasc/7600): Engine Controls (513 reports)
- [JASC 7601](https://openairdocs.org/jasc/7601): Engine Synchronizing (30 reports)
- [JASC 7602](https://openairdocs.org/jasc/7602): Mixture Control (144 reports)
- [JASC 7620](https://openairdocs.org/jasc/7620): Engine Emergency Shutdown System (40 reports)
- [JASC 7697](https://openairdocs.org/jasc/7697): Engine Control System Wiring (66 reports)

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