# JASC 2752: Trailing Edge Flap Actuator - Type: JASC system/component code (FAA) - ATA chapter: 27 Flight Controls - Title in the code table: TE FLAP ACTUATOR - Service difficulty reports: 1,978 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=26 - Page: https://openairdocs.org/jasc/2752 ## What it covers The component which actuates the trailing edge flaps. Typical parts are motor, actuator, seal, jackscrew, rod end, actuator support fittings, etc. ## Service difficulty reports (1,978, newest 50) - [SDR VNAA2026102126801](https://openairdocs.org/sdr/VNAA2026102126801), Oct 18, 2026: Cndair CL6002D24. ACTUATOR. TRIPPED. FLAPS FAIL MSG DURING CRUISE, RAN QRH AND FLAPS DID NOT EXTEND PAST FLAPS 1 POSITION C/A REPLACED #4 FLAP ACTUATOR. (N547NN) - [SDR SWAA2026100104717](https://openairdocs.org/sdr/SWAA2026100104717), Sep 30, 2026: Boeing 7378H4. TRANSMISSION. TRIPPED. ON FINAL APPROACH, TRAILING EDGE FLAPS WOULD NOT EXTEND PAST POSITION 5. NO ASSYEMETRY NOTED. PERFORMED ALTERNATE FLAP E (N8668A) - [SDR FDEA202608291251](https://openairdocs.org/sdr/FDEA202608291251), Aug 29, 2026: Boeing 75728A. TRANSMISSION. TRIPPED. DURING APPROACH, RECEIVED A TE FLAP DISAGREE. RAN QRH & DECLARED AN EMERGENCY, LANDED UNEVENTFULLY. INSPECTED OVERLOAD I (N969FD) - [SDR SWIA2026082976971](https://openairdocs.org/sdr/SWIA2026082976971), Aug 29, 2026: Emb ERJ170200LR. ACTUATOR. FAULTED. FLAP FAIL EICAS. FLAPS RE,AIMED IN FLAP 1 POSITION DURING RETRACTION (FLIGHT 3259) PERFORMED TROUBLESHOOTING OF FLAP FAI (N189SY) - [SDR SIMA20260804001](https://openairdocs.org/sdr/SIMA20260804001), Aug 4, 2026: Emb ERJ170200LR. ACTUATOR. FAILED. SLAT/FLAP FAILURE ON CLIMB OUT GOING FROM 3 TO 2. EMERGENCY DECLARED. REPLACED LH OUTB FLAP 4L ACTUATOR IAW AMM 27-51-01 (N290NN) - [SDR 2026FA0000611](https://openairdocs.org/sdr/2026FA0000611), Jul 30, 2026: Beech B200. PIN. BROKEN. FLAP DRIVE PIN IN FLAP GEAR BOX WAS BROKEN IN 1/2 WHEN REMOVED FOR 1200 HR LUBRICATION (N442P) - [SDR HNAA2026070700579](https://openairdocs.org/sdr/HNAA2026070700579), Jul 6, 2026: Emb EMB145LR. CONTROL UNIT. FAULTED. DURING CLIMB FLAP FAIL AT 0DEG 3MINS AFTER BEING STOWED, ON CLIMB SELECTED FLAP 9 TO 0 AND FLAPS STOWED AT 3,000FT. APPR (N649PP) - [SDR FXTA20260628002](https://openairdocs.org/sdr/FXTA20260628002), Jun 28, 2026: Textrn 408. FLEX DRIVE. FAILED. RT OUTBOARD FLAP FLEX SHAFT RUBBER CASE FAILING AT THE CRIMP UNDER STAINLESS STEEL OUTER WRAP. THIS SEPARATION ALLOWS TH (N409BA) - [SDR AALA202606226365](https://openairdocs.org/sdr/AALA202606226365), Jun 18, 2026: Airbus A321253NX. ACTUATOR. LEAKING. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INTO SFO DUE TO THE FLIGHT CREW REPORTING A FLAPS LOCKED WITH ALIGNMENT (N420AN) - [SDR UIEA2026060300425](https://openairdocs.org/sdr/UIEA2026060300425), Jun 3, 2026: Boeing 76731B. DRIVE ASSY. FAULTED. AIR TURN BACK - AFTER LEVELING IN CRUISE FLIGHT, THE FLAP INDICATOR NEEDLES INDICATED FLAPS 1 ON BOTH NEEDLES. ALSO, REC (N664GT) - [SDR 2026F00113](https://openairdocs.org/sdr/2026F00113), May 19, 2026: Cndair CL6002B19. ACTUATOR. INOPERATIVE. FLIGHT OB281 SRE-VVI AOG: FALP FAIL CAUTION MESSAGE ON EICAS. CORRECTIVE ACTION: HAS BEEN REPLACED FLAP ACTUATOR AND TRA (N545AV) - [SDR WX0A2026042432794](https://openairdocs.org/sdr/WX0A2026042432794), Apr 23, 2026: Airbus A320214. SEAL. LEAKING. (AIRCRAFT GROUNDED) F/CTL FLAPS LOCKED WHEN SELECTING FLAPS 1. WHILE PERFORMING TSM 27-51-00-810-818 FOR FLAPS LOCKED FA (N273NV) - [SDR IPXA2026042711816](https://openairdocs.org/sdr/IPXA2026042711816), Apr 9, 2026: Boeing 74744AF. COVER. CRACKED. FAULT - R/H WING L/E VARIABLE CAMBER FLAP #17 INBD ROTARY ACTUATOR HAS CRACKED OTBD COVER. NO.5385. I.A.W AMM 27-81-07-0 (N575UP) - [SDR IPXA2026042711853](https://openairdocs.org/sdr/IPXA2026042711853), Apr 9, 2026: Boeing 74744AF. COVER. CRACKED. FAULT - R/H WING L/E VARIABLE CAMBER FLAP #17 OTBD ROTARY ACTUATOR HAS CRACKED OTBD COVER. NO.5311. I.A.W AMM 27-81-07-0 (N575UP) - [SDR IPXA2026042711764](https://openairdocs.org/sdr/IPXA2026042711764), Apr 9, 2026: Boeing 74744AF. COVER. CRACKED. LT WING L/E VARIABLE CAMBER FLAP NR 2 ROTARY ACTUATOR AT HAS CRACKED COVER. IAW AMM 27-81-07-004-001 REV 116 REMOVE NR 2 (N575UP) - [SDR IPXA2026042713748](https://openairdocs.org/sdr/IPXA2026042713748), Apr 9, 2026: Boeing 74744AF. COVER. CRACKED. RIGHT WING L/E VARIABLE CAMBER FLAP 24 ROTARY ACTUATOR AT HAS CRACKED COVER. IAW AMM 27-81-07-004-001, REV 116. REMOVE 2 (N575UP) - [SDR IPXA2026042711916](https://openairdocs.org/sdr/IPXA2026042711916), Apr 9, 2026: Boeing 74744AF. COVER. CRACKED. LEFT WING LE VARIABLE CAMBER FLAP NR 5, ROTARY ACTUATOR AT HAS CRACKED COVER. 5386. IAW AMM 27-81-07-004-001, REV 116. R (N575UP) - [SDR FDEA202604080409](https://openairdocs.org/sdr/FDEA202604080409), Apr 8, 2026: Boeing 75728A. TRANSMISSION. FAILED. TE FLAP DISAGREE EICAS ALONG WITH TE FLAP FAILURE DESCENT TO MEMPHIS. RAN CHECKLIST, DROVE US FROM 9.1.17 TO 9.1.14, LAN (N969FD) - [SDR FDEA202604070403](https://openairdocs.org/sdr/FDEA202604070403), Apr 7, 2026: Boeing 757236. TRANSMISSION. TRIPPED. TE FLAP DISAGREE ON APPROACH AFTER SELECTING FLAPS 1. COMPLIED WITH QRH. EMERGENCY DECLARED. FIM 27-51-00 FT 808 TROUBLE (N954FD) - [SDR 2026FA0000233](https://openairdocs.org/sdr/2026FA0000233), Mar 27, 2026: ACTUATOR. SEPARATED. WHEN PILOT ACTUATED THE FLAP SWITCH BOTH FLAPS DROPPED TO FULL DOWN POSITION IMMEDIATELY AND FLAP SWITCH WAS UNABLE TO M - [SDR SIMA20260321003](https://openairdocs.org/sdr/SIMA20260321003), Mar 21, 2026: Emb ERJ170200LR. ACTUATOR. FAILED. FLAP FAIL AFTER T/O WHEN MOVING HANDLE FROM POSITION 2 TO POSITION 1. R & R OF RT FLAP ACTUATOR NR 2 IAW AMM 27-51-01. O (N200NN) - [SDR SWIA2026030675433](https://openairdocs.org/sdr/SWIA2026030675433), Mar 6, 2026: Emb ERJ170200LR. ACTUATOR. TRIPPED. DUE TO FLAP FAIL DIVERT ODI, PERFORM FURTHER IN-DEPTH TROUBLESHOOTING OF FLAPS SYSTEM. (FLIGHT 4703) CONFIRMED WITH PIC (N165SY) - [SDR AALA202603055674](https://openairdocs.org/sdr/AALA202603055674), Feb 28, 2026: Boeing 737823. TRANSMISSION. STUCK. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: WHEN SELECTING FLAPS FROM 0 TO 1, THE FLAPS STUCK BETWEEN 0 AND (N914NN) - [SDR 2026FA0000412](https://openairdocs.org/sdr/2026FA0000412), Feb 11, 2026: Airtrc AT802. ACTUATOR. SEPARATED. WHEN FRONT COCKPIT PILOT ACTUATED THE FLAP SWITCH, BOTH SIDES DROPPED TO FULL DOWN IMMEDIATELY AND THE FLAP SWITCH WAS U (N80253) - [SDR VNAA202602090055](https://openairdocs.org/sdr/VNAA202602090055), Feb 10, 2026: Cndair CL6002C10. ACTUATOR. CORRODED. LH I/B FLAP VANE ACTUATOR WS 65.5 TRUNNION IS CORRODED. (N510AE) - [SDR VNAA202602090056](https://openairdocs.org/sdr/VNAA202602090056), Feb 10, 2026: Cndair CL6002C10. ACTUATOR. CORRODED. LEFT INBD FLAP VANE ACTUATOR WS 102.90 TRUNNION IS CORRODED. (N510AE) - [SDR VNAA2026021090058](https://openairdocs.org/sdr/VNAA2026021090058), Feb 10, 2026: Cndair CL6002C10. ACTUATOR. CORRODED. RIGHT INBD FLAP VANE ACTUATOR WS 102.90 TRUNNION IS CORRODED. (N510AE) - [SDR CALA2026020913630](https://openairdocs.org/sdr/CALA2026020913630), Feb 3, 2026: Airbus A320232. ACTUATOR. VIBRATION. UNKOWN VIBRATION FELT ON SHORT FINAL STARTED FLAPS 3 MORE AT FLA PS FULL REF MT 53-005 AND TSM TASK 05-50-00-810-801-A T (N489UA) - [SDR HNAA2026020400110](https://openairdocs.org/sdr/HNAA2026020400110), Feb 3, 2026: Emb EMB145LR. GEARBOX. FAILED. ON APPROACH FLAP LOW SPEED FOLLOWED BY FLAP FAIL. STUCK AT 45*. MESSAGES APPEARED FROM 22* TO 45* R/R L/H O/B FLAP ANGLE (N640AE) - [SDR SIMA20260128001](https://openairdocs.org/sdr/SIMA20260128001), Jan 28, 2026: Emb ERJ170200LR. ACTUATOR. TRIPPED. FLAP FAIL EICAS INDICATION ON DEPARTURE DECLARED EMERGENCY LANDED SLATS 3/FLAPS0 NOT OVER WT NO LANDING ISSUES NOT OVER (N266NN) - [SDR SWIA2026012775099](https://openairdocs.org/sdr/SWIA2026012775099), Jan 27, 2026: Cndair CL6002B19. ACTUATOR. FAILED. FLAPS FAIL CAUTION AT FLAPS 20 COMING INTO ORD (FLIGHT 5402) THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 31611749. SEE (N699BR) - [SDR VNAA20260508022](https://openairdocs.org/sdr/VNAA20260508022), Jan 25, 2026: Cndair CL6002C10. ACTUATOR. CORRODED. RIGHT FLAP VANE ACTUATOR AT FLS 140.4 FWD AND AFT TRUNNION BODY HAVE CORROSION. RECEIVED NEW SERVICEABLE RH FLS 140.4 FW (N512AE) - [SDR VNAA20260508021](https://openairdocs.org/sdr/VNAA20260508021), Jan 25, 2026: Cndair CL6002C10. ACTUATOR. CORRODED. RIGHT FLAP VANE ACTUATOR AT FLS 140.4 FWD AND AFT TRUNNION BODY HAVE CORROSION. RECEIVED NEW SERVICEABLE AFT TRUNNION BO (N512AE) - [SDR VNAA20260508020](https://openairdocs.org/sdr/VNAA20260508020), Jan 25, 2026: Cndair CL6002C10. ACTUATOR. CORRODED. RIGHT FLAP VANE ACTUATOR AT FLS 65.5 FWD AND AFT TRUNNION BODY HAVE CORROSION. RECEIVED NEW SERVICEABLE FWD TRUNNION BOD (N512AE) - [SDR VNAA20260508019](https://openairdocs.org/sdr/VNAA20260508019), Jan 25, 2026: Cndair CL6002C10. ACTUATOR. CORRODED. RIGHT FLAP VANE ACTUATOR AT FLS 65.5 FWD AND AFT TRUNNION BODY HAVE CORROSION. RECEIVED NEW SERVICEABLE AFT TRUNNION BOD (N512AE) - [SDR VNAA20260508018](https://openairdocs.org/sdr/VNAA20260508018), Jan 25, 2026: Cndair CL6002C10. ACTUATOR. CORRODED. LEFT FLAP VANE ACTUATOR AT FLS 102.9 FWD AND AFT TRUNNION BODY HAVE CORROSION. RECEIVED NEW LH FLS 102.9 FWD TRUNNION BO (N512AE) - [SDR VNAA20260508017](https://openairdocs.org/sdr/VNAA20260508017), Jan 25, 2026: Cndair CL6002C10. ACTUATOR. CORRODED. LEFT FLAP VANE ACTUATOR AT FLS 102.9 FWD AND AFT TRUNNION BODY HAVE CORROSION. RECEIVED NEW LH FLS 102.9 AFT TRUNNION BO (N512AE) - [SDR F3LA202601090349](https://openairdocs.org/sdr/F3LA202601090349), Jan 6, 2026: Airbus A320251N. ACTUATOR. MALFUNCTIONED. ACFT WAS GROUNDED AS A RESULT OF THIS SDR REPORTABLE EVENT. REFERENCE LP 478558 ITEM #1 FLIGHT 1540. FLT/CTL FLAPS LOCKE (N352FR) - [SDR F3LA202601080347](https://openairdocs.org/sdr/F3LA202601080347), Jan 6, 2026: Airbus A320251N. ACTUATOR. FAULTED. ACFT WAS GROUNDED AS A RESULT OF THIS SDR REPORTABLE EVENT.REF LP 478558 ITEM #1. FLT/CTL FLAPS LOCKED ECAM WHEN SELECTI (N352FR) - [SDR DALA2025123009489](https://openairdocs.org/sdr/DALA2025123009489), Dec 29, 2025: Airbus A319114. ACTUATOR. EXCESS PLAY. LEFT WING, INBD FLAP TRACK NR 1 POSITION, ACTUATOR LEVER WITH EXCESIVE PLAY. REPLACED THE LT FLAP TRACK NR 1 ACTUATOR IA (N349NB) - [SDR SIMA20251221002](https://openairdocs.org/sdr/SIMA20251221002), Dec 21, 2025: Emb ERJ170100SU. ACTUATOR. FAULTED. FLAP FAIL CAUTION MESSAGE POP UP WHEN WE RETRACT THE FLAP AFTER TAKEOFF. FAILED AT FLAP 0. EMERGENCY DECLARED. R & R FLA (N783LC) - [SDR R61A2025112600518](https://openairdocs.org/sdr/R61A2025112600518), Nov 26, 2025: Emb ERJ170200LR. ACTUATOR. FAULTED. FLAP FAIL AFTER TAKEOFF. DECLARED EMERGENCY, LANDED WITHOUT INCIDENT. REMOVED AND REPLACED NR 3 FLAP ACTUATOR. (N104HQ) - [SDR CALA2025112011366](https://openairdocs.org/sdr/CALA2025112011366), Nov 19, 2025: Airbus A320232. ACTUATOR. FAULTED. F/CTL FLAPS FAULT ON APPROACH SLATS 1 / FLAPS 0 LOCKED FOR FIX, FLAPS STILL RETRACTED, PERFORMED DETAILED INSPECTION OF (N458UA) - [SDR FDEA202510292106](https://openairdocs.org/sdr/FDEA202510292106), Oct 29, 2025: Boeing 75728A. TRANSMISSION. FAILED. TE FLAP DISAGREE ON APPROACH. ALTERNATE FLAP CHKLST DID NOT WORK. DID QRH TE FLAP ASSEMETRY & LANDED LESS THAN 1 DEGREE (N967FD) - [SDR MASA2025102600091](https://openairdocs.org/sdr/MASA2025102600091), Oct 26, 2025: Emb ERJ170200LL. ACTUATOR. INOPERATIVE. FLAP FAIL TO RETRACK DURING TAKEOFF/ R & R ACTUATOR R4, C/W MECHANICAL AND ELECTRICAL RIGGING. (N86324) - [SDR DALA2025103007956](https://openairdocs.org/sdr/DALA2025103007956), Oct 24, 2025: Boeing 737832. TRANSMISSION. FAULTED. UFC/DE- DECLARED EMERGENCY DUE TO TE FLAP ASYMMETRY. REPLACED NBR 2 FLAP TRANSMISSION, WFFA AND WFFB CONTROL CABLES. PER (N398DA) - [SDR AALA202510232273](https://openairdocs.org/sdr/AALA202510232273), Oct 20, 2025: Boeing 737823. TRANSMISSION. DAMAGED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING APPROACH FLAP INDICATION WERE SPLIT CONDUCTED A GO AROUN (N946NN) - [SDR DALA2025092607011](https://openairdocs.org/sdr/DALA2025092607011), Sep 26, 2025: Boeing 757232. BALLSCREW. CORRODED. CORROSION AND STRIPPING IN THREADS OF INBD BALLSCREW, OF INBOARD TRAILING EDGE FLAP, RH WING. INBD BALLSCREW FROM INB MA (N6713Y) - [SDR DALA2025092607016](https://openairdocs.org/sdr/DALA2025092607016), Sep 26, 2025: Boeing 757232. BALLSCREW. CORRODED. CORROSION ON THREADS OF OTBD BALLSCREW, OF INBOARD TRAILING EDGE FLAP, RT WING. OTBD BALLSCREW FROM INB MAIN FLAP AT RT (N6713Y) - [SDR 2025FA0000650](https://openairdocs.org/sdr/2025FA0000650), Sep 17, 2025: Cirrus SR20. JAM-NUT. UNDERTORQUED. FLAP ACTUATOR ROD END SEPARATED FROM ACTUATOR ASSEMBLY RESULTING IN LOSS OF FLAP OPERATION DURING FLIGHT. IT IS LIKELY T (N32CF) All 1,978: https://openairdocs.org/jasc/2752/reports.md ## Other codes in chapter 27 - [JASC 2700](https://openairdocs.org/jasc/2700): Flight Control System (1,742 reports) - [JASC 2701](https://openairdocs.org/jasc/2701): Control Column Section (510 reports) - [JASC 2710](https://openairdocs.org/jasc/2710): Aileron Control System (2,967 reports) - [JASC 2711](https://openairdocs.org/jasc/2711): Aileron Tab Control System (415 reports) - [JASC 2720](https://openairdocs.org/jasc/2720): Rudder Control System (3,130 reports) - [JASC 2721](https://openairdocs.org/jasc/2721): Rudder Tab Control System (686 reports) - [JASC 2722](https://openairdocs.org/jasc/2722): Rudder Actuator (284 reports) - [JASC 2730](https://openairdocs.org/jasc/2730): Elevator Control System (2,647 reports) - [JASC 2731](https://openairdocs.org/jasc/2731): Elevator Tab Control System (1,295 reports) - [JASC 2740](https://openairdocs.org/jasc/2740): Stabilizer Control System (2,126 reports) - [JASC 2741](https://openairdocs.org/jasc/2741): Stabilizer Position Indicating (889 reports) - [JASC 2742](https://openairdocs.org/jasc/2742): Stabilizer Actuator (610 reports) - [JASC 2750](https://openairdocs.org/jasc/2750): Trailing Edge Flap Control System (10,187 reports) - [JASC 2751](https://openairdocs.org/jasc/2751): Trailing Flap Position Indicating System (3,078 reports) - [JASC 2760](https://openairdocs.org/jasc/2760): Drag Control System (3,502 reports) - [JASC 2761](https://openairdocs.org/jasc/2761): Drag Control Actuator (1,070 reports) - [JASC 2770](https://openairdocs.org/jasc/2770): Gust Lock Damper System (90 reports) - [JASC 2780](https://openairdocs.org/jasc/2780): Leading Edge Slat Control System (2,157 reports) - [JASC 2781](https://openairdocs.org/jasc/2781): Leading Edge Slat Position Indicating System (1,398 reports) - [JASC 2782](https://openairdocs.org/jasc/2782): Leading Edge Slat Actuator (1,225 reports) - [JASC 2797](https://openairdocs.org/jasc/2797): Flight Control System Wiring (919 reports) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.