# N843SY: 2011 Boeing 737-82R

- Status: Valid registration
- Airframe: [Boeing 737-82R](https://openairdocs.org/model/boeing-737-82r) (registry code 13844EC, 149 seats)
- Engine: [CFM International CFM56-7B26/3 series](https://openairdocs.org/engine/cfm-international-cfm56-7b26-3-series) (registry code 13073)
- Serial number: 40721
- Year built: 2011
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: May 16, 2022
- Certificate issued: December 21, 2021
- Expires: December 31, 2028
- Mode S code: AB8CA5
- Registered owners: [Sun Country Inc DBA](https://openairdocs.org/faa-owner/SUN%20COUNTRY%20INC%20DBA), [Sun Country Airlines](https://openairdocs.org/faa-owner/SUN%20COUNTRY%20AIRLINES)
- Location: [Minneapolis, MN](https://openairdocs.org/faa-place/MN/Minneapolis)
- Owner type: Corporation
- Owner's area on the map: 44.8723° N, 93.2328° W: Placed by OpenAirDocs at the center of ZIP code 55450, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=843SY
- Page: https://openairdocs.org/aircraft/N843SY

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every CFM International CFM56-7B26/3 model are included.

## ADs that may apply (OpenAirDocs): 10 in force

### Matched by airframe (Boeing 737-82R)

None in force.

### Matched by engine (CFM International CFM56-7B26/3 series)

- [AD 2023-05-05](https://openairdocs.org/ad/2023-05-05): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 98 more. Effective May 10, 2023
- [AD 2022-02-03](https://openairdocs.org/ad/2022-02-03): Turbine Engine Accessory Drive · CFM International CFM56-3, CFM56-3B, CFM56-3C and 34 more. Effective Mar 22, 2022
- [AD 2018-26-01](https://openairdocs.org/ad/2018-26-01): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jan 10, 2019
- [AD 2018-09-51](https://openairdocs.org/ad/2018-09-51): Engine · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 7, 2018
- [AD 2015-18-04](https://openairdocs.org/ad/2015-18-04): 73-tooth gearshaft located in the engine accessory gearbox (AGB) · CFM International CFM56-3, CFM56-7B20, CFM56-7B20/2 and 47 more. Effective Oct 20, 2015
- [AD 2015-04-02](https://openairdocs.org/ad/2015-04-02): Dual engine thrust instability event · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Mar 31, 2015
- [AD 2010-13-09](https://openairdocs.org/ad/2010-13-09): Stage 3 low-pressure turbine (LPT) · CFM International CFM56-5, CFM56-5-A1/F, CFM56-5A4 and 88 more. Effective Jul 26, 2010
- [AD 2010-01-05](https://openairdocs.org/ad/2010-01-05): LP turbine rear frames · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 25 more. Effective Feb 18, 2010
- [AD 2009-11-02](https://openairdocs.org/ad/2009-11-02): HPC 4-9 spools · CFM International CFM56-2, CFM56-2A, CFM56-2B and 109 more. Effective Jun 23, 2009
- [AD 2006-26-01](https://openairdocs.org/ad/2006-26-01): Fuel filters · CFM International CFM56-2, CFM56-2A, CFM56-2B and 93 more. Effective Jan 3, 2007

### Historical (superseded or no longer in force)

- [AD 2021-10-09](https://openairdocs.org/ad/2021-10-09) (historical): Turbine Engine Compressor Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/3 and 82 more. Effective Jun 24, 2021
- [AD 2018-18-01](https://openairdocs.org/ad/2018-18-01) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Oct 16, 2018
- [AD 2018-10-11](https://openairdocs.org/ad/2018-10-11) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective Jun 1, 2018
- [AD 2018-09-10](https://openairdocs.org/ad/2018-09-10) (historical): Turbine Engine Compressor Section · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B20/3 and 46 more. Effective May 14, 2018
- [AD 2013-26-01](https://openairdocs.org/ad/2013-26-01) (historical): Oil dynamic seal assembly · CFM International CFM56-3, CFM56-3B, CFM56-3C and 52 more. Effective Feb 3, 2014

## Information bulletins (advisory) (1 in force)

- [SAIB NE-08-17R3](https://openairdocs.org/saib/NE-08-17R3): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued May 28, 2014
- [SAIB NE-08-17R2](https://openairdocs.org/saib/NE-08-17R2) (historical): Turbine Section - Propulsion Technology LLC Unapproved Repair. Issued Mar 7, 2011
- [SAIB NE-08-17R1](https://openairdocs.org/saib/NE-08-17R1) (historical): Propulsion Technology LLC Unapproved Repair. Issued May 22, 2008
- [SAIB NE-08-17](https://openairdocs.org/saib/NE-08-17) (historical): Propulsion Technologies International Unapproved Repair. Issued May 14, 2008

## NTSB investigations

None matched to N843SY.

## FAA accident and incident reports

None matched to N843SY.

## Service difficulty reports (23)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR SCNA20260928410](https://openairdocs.org/sdr/SCNA20260928410), Sep 22, 2026: SMOKE DETECTOR. FALSE ACTIVATION. AFT RIGHT SMOKE DETECTOR IN LAVATORY IS GOING OFF. AFT RIGHT LAV SMOKE DETECTOR REMOVED/REPLACED REF AMM 26-14-01 SMOKE TEST GOOD REF AMM 26-14-00-730-801 GOOD 
- [SDR SCNA20260817365](https://openairdocs.org/sdr/SCNA20260817365), Aug 16, 2026: LATCH. STUCK. STUCK LATCH BRACKET ASSEMBLY ON SLIDE OF FWD ENTRY DOOR (L1).
- [SDR SCNA202607020001](https://openairdocs.org/sdr/SCNA202607020001), Jul 1, 2026: TIRE. DAMAGED. TUG BROKE SHEAR PIN WHILE PULLING JET IN TURN AT END OF PUSH. LOUD BANG. INSPECTED NOSE GEAR REF AMM 32-21-00 AND 05-51-29. TOW LUG AND FITTING AND LUG OK FOR S
- [SDR SCNA20260508190](https://openairdocs.org/sdr/SCNA20260508190), Apr 30, 2026: SKIN. CRACKED. WO 104124 NR00018: SUSPECTED CRACK ON R/H HORIZONTAL STAB. LOWER SKIN AT STAB STA 120.3 RIB 9" AFT OF FORWARD SPAR. VERIFIED WITH HFEC - - PERFORMED HFEC SURFAC
- [SDR SCNA20260508191](https://openairdocs.org/sdr/SCNA20260508191), Apr 29, 2026: SKIN. CRACKED. WO 104124 NR00013: SUSPECTED CRACK ON R/H HORIZONTAL STABILIZER LOWER SKIN AT STAB STA 92.70. APPROX. 37.5 INCHES AFT OF FRONT SPAR - -MASK OFF AND STRIPPED PAI
- [SDR SCNA20260408151](https://openairdocs.org/sdr/SCNA20260408151), Apr 7, 2026: GLOWSTRIP. BROKEN. ROW 12/13 FLOOR GLOW STRIP BROKEN. REMOVED AND REPLACED. FLOOR GLOW STRIP. REF AMM 25-27-15 OK FOR SERVICE
- [SDR SCNA20251222497S](https://openairdocs.org/sdr/SCNA20251222497S), Dec 19, 2025: FUEL CONTROL. FAULTED. NR 1 FAIL AT 38,000 NO OTHER INDICATIONS RESTART. NO LIGHT OFF. REMOVED AND REPLACED FUEL, IPC ITEM 33 AND GASKET IPC ITEM 34 IAW AMM 73-21-10-420-009-F00. PERF
- [SDR SCNA20251222497](https://openairdocs.org/sdr/SCNA20251222497), Dec 19, 2025: GASKET. FAULTED. NR 1 FAIL AT 38,000 NO OTHER INDICATIONS RESTART. NO LIGHT OFF - REMOVED AND REPLACED FUEL, IPC ITEM #33 AND GASKET IPC ITEM #34 IAW AMM 73-21-10-420-009-F00. P
- [SDR SCNA20251119444](https://openairdocs.org/sdr/SCNA20251119444), Nov 18, 2025: LIGHT. UNSECURE. FLOOR STRIP IN AISLE ROW 12ABC NEEDS TO BE SECURED. SECURED LIGHT STRIP IAW AMM 33-51-15.
- [SDR SCNA20250917379](https://openairdocs.org/sdr/SCNA20250917379), Sep 16, 2025: RING. CRACKED. RH AFT SVC DOOR GIRT BAR STOP RING IS CRACKED. REPLACED RH AFT SVC DOOR GIRT BAR STOP RING WITH A SERVICABLE UNIT. REF AMM 25-66-01.
- [SDR SCNA20250611206](https://openairdocs.org/sdr/SCNA20250611206), Jun 9, 2025: BATTERY PACK. INOPERATIVE. DEFECT 777438: DURING PREVIOUS NIGHT DEPLANING GPU POWER DROPPED OFF LINE. EMERGENCY EXITS LIGHTS DID NOT ILLUMINATE WHEN AIRCRAFT WAS UNDER BATTERY POWER AIRCR
- [SDR SCNA20241115373](https://openairdocs.org/sdr/SCNA20241115373), Nov 14, 2024: LIGHT. DAMAGED. DEFECT 781064: FLOOR LIGHTING STRIP BUBBLING UP AT ROW 12ABC. RESOLUTION: RESECURED PHOTOLUMINESCENT STRIP AT ROW 12ABC IAW AMM 33-51-15. OK FOR SERVICE.
- [SDR SCNA20240429223](https://openairdocs.org/sdr/SCNA20240429223), Apr 24, 2024: GIRT BAR. FAULTED. # 1 L DOOR ESCAPE SLIDE GIRT EXTENDS BEYOND 12 " REPACKED GIRT ON #1 DOOR ESCAPE SLIDE PER AMM REM 25-66-00
- [SDR SCNA20240226051](https://openairdocs.org/sdr/SCNA20240226051), Feb 25, 2024: BUTTON. MISSING. DEFECT 731228 2R EMERGENCY LAV LGITH MISSING BUTTON. - - RESOLUTION: INSTALLED NEW 2R LAV CALL BUTTON REF AMM 33-27-51. OPS CHECKS OK.
- [SDR SCNA20240206025](https://openairdocs.org/sdr/SCNA20240206025), Feb 1, 2024: GIRT BAR. UNSECURE. DEFECT 755140 - - 2L GIRT BAR WONT STAY IN PLACE," - - RESOLUTION: ADJUSTED ESCAPE SLIDE BRACKET REF AMM 25-66-02
- [SDR SCNA20231205250](https://openairdocs.org/sdr/SCNA20231205250), Nov 13, 2023: UNKNOWN. UNKNOWN. DURING TEST LIGHTS INTERIOR AND EXTERIOR, CHARGER BATTERY AND BATTERY EMERGENCY LIGHTS POS L1 WERE FOUND INOPERATIVE. CHARGER BATTERY PACK POS L1 WAS REPLACED P
- [SDR SCNA20240311144](https://openairdocs.org/sdr/SCNA20240311144), Oct 28, 2023: WEB. CRACKED. INITIAL INSPECTION: CRACK ON WEB ON INTERNAL STRUCTURE AT REAR SPAR WS 280 APPROX LH WING. WEB ON INTERNAL STRUCTURE AT REAR SPAR WS 280 APPROX LH WING WAS REPL
- [SDR SCNA20240311143](https://openairdocs.org/sdr/SCNA20240311143), Oct 27, 2023: SUPPORT. CRACKED. INITIAL INSPECTION: CRAK ON WEB SUPPORT AT FIXED PANEL REAR SPAR STA.WS 280 APROX. AT RH WING. WEB SUPPORT AT FIXED PANEL REAR SPAR STA.WS 280 APROX. AT RH WING
- [SDR SCNA20231024237S](https://openairdocs.org/sdr/SCNA20231024237S), Oct 16, 2023: UNKNOWN. UNKNOWN. SUPPLEMENT - - - CORRECTIVE ACTION DEFECT 756210 RESOLUTION - - -REF W/O# 82479 N/R-00002 FOR WORK ACCOMPLISHED. L1 WINDOW REPLACED AND LEAK CHECKED.
- [SDR SCNA20231024237](https://openairdocs.org/sdr/SCNA20231024237), Oct 16, 2023: UNKNOWN. UNKNOWN. DEFECT 756210 - - - AT FL390 IN CRUISE FLIGHT, THE L1 FLIGHT DECK WINDOW BEGAIN ARCING. WE TURNED OFF L1 FWD WINDOW HEAT AND ARCING STOPPED TWO MINUTES LATER TH
- [SDR SCNA20230918226](https://openairdocs.org/sdr/SCNA20230918226), Sep 17, 2023: UNKNOWN. UNKNOWN. DEFECT 752624: 2L DOOR SLIDE COVER PIN EXPOSED AND NOT IN BOLT INSIDE OF SLIDE. - - - RESOLUTION: REMOVED SLIDE INSTALLED COVER PIN RE-INSTALLED SLIDE REF AMM 2
- [SDR SCNA20230417130](https://openairdocs.org/sdr/SCNA20230417130), Apr 15, 2023: UNKNOWN. UNKNOWN. DEFECT 745790: FA'S FOUND 2L SLIDE PARTIALLY DEPLOYED. RESOLUTION; REATTACHED SECURITY LATCH AND REINSTALLED SLIDE REF AMM 25-61-00. INSPECTION GOOD.
- [SDR SCNA20240116013](https://openairdocs.org/sdr/SCNA20240116013), Jan 14, 2023: PLACARD. MISSING. DEFECT W/O 84339 NRC00005: - - L/H FWD EMERGENCY DOOR MISSING BARBER POLE PLACARD. - - RESOLUTION: ITEM DEFERED ON LOG PG 755109 ITEM 1. (IN PROGRESS)

## STCs that may be installed (OpenAirDocs) (2)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (CFM International CFM56-7B26/3 series)

- [STC SE04840NY](https://openairdocs.org/stc/SE04840NY): Installation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engine. Kilroy Aviation LLC
- [STC SE03036CH](https://openairdocs.org/stc/SE03036CH): Application of a deep compressive stress layer using a Low Plasticity Burnishing (LPB) process on CFM56-7 Series Engines Stage 1 High Pressure Compressor (HPC) Blade Dovetails in accordance with Delta Air Lines Inc. Drawing No. 72-0396, Revision B, dated November 3, 2011, or later FAA Approved revision. Delta Air Lines Inc

## Related

- Other Boeing 737-82R aircraft: https://openairdocs.org/model/boeing-737-82r/aircraft.md
- The CFM International CFM56-7B26/3 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b26-3-series.md

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