# N845SY: 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: 40727
- Year built: 2011
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: July 11, 2022
- Certificate issued: March 7, 2022
- Expires: March 31, 2029
- Mode S code: AB9413
- Registered owners: [Sun Country Inc](https://openairdocs.org/faa-owner/SUN%20COUNTRY%20INC), [Sun Country Aviation](https://openairdocs.org/faa-owner/SUN%20COUNTRY%20AVIATION)
- 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=845SY
- Page: https://openairdocs.org/aircraft/N845SY

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 N845SY.

## FAA accident and incident reports

None matched to N845SY.

## Service difficulty reports (34)

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 SCN2026F00001](https://openairdocs.org/sdr/SCN2026F00001), Jun 27, 2026: LIGHT. UNSECURE. CABIN WRITE UP SEAT 11& 12 DEF EMERGENCY STRIP ON FLOOR PEELING OFF. INSPECTED EMERGENCY LIGHT PHOTOLUMINESCENT STRIP AT 11& 12 DEF. FOUND TO BE SECURE AND FUNC
- [SDR SCNA20260608241](https://openairdocs.org/sdr/SCNA20260608241), Jun 4, 2026: HOLDER. BENT. AT DOOR 2-L AIRCRAFT SLIDE GIRT BAR HOLDER IS BENT. ADJUSTED 2L DOOR SLIDE GIRT BAR CLIP IAW AMM 25-64-000 . OK FOR SERVICE.
- [SDR SCNA20260605238](https://openairdocs.org/sdr/SCNA20260605238), Jun 4, 2026: CARPET. UNSECURE. AISLE CARPET CONNECTOR AT ROW 12 TRIPPING HAZARD. SECURED AISLE CARPET AT ROW 12 DEF. AMM 25-27-15. OK FOR SERVICE
- [SDR SCNA20260529221](https://openairdocs.org/sdr/SCNA20260529221), May 11, 2026: FLOORBEAM. CORRODED. CORROSION ON FLOORBEAM AT STA 986.5, RBL 42.5 AND LBL 42.5 ON PAX CABIN. :CORROSION ON FLOORBEAM AT STA 986.5, RBL 42.5 AND LBL 42.5 ON PAX CABIN WERE REPAIRED 
- [SDR SCNA20260512194](https://openairdocs.org/sdr/SCNA20260512194), May 11, 2026: FITTING. CORRODED. CORROSION ON ESCAPE SLIDE FLOOR FITTINGS OF R1, L1, R2, L2 (8EAS). ESCAPE SLIDE FLOOR FITTINGS OF R1, L1, R2, L2 (8EAS) WAS VERIFIED AND REPLACED PER B737-800 A
- [SDR SCNA20260529225](https://openairdocs.org/sdr/SCNA20260529225), May 9, 2026: WEB. CRACKED. CRACK IN LOWER HOLE AT 9 HRS POSITION ON THE WEB, STA 727 AND S-18A (IN REF. CARD 737-53A1402-01-GRP1-CFG1-RH-INIT, ITEM 12: FIG. 4 - STEP 3). OPEN
- [SDR SCNA20260512193](https://openairdocs.org/sdr/SCNA20260512193), May 9, 2026: LIGHT. CRACKED. CRACKS ON PHOTOLUMINESCENT FLOOR PATH MARKING COVERS. PHOTOLUMINESCENT FLOOR PATH MARKING COVERS 3EAS WERE REPLACED PER IPC 33-51-05-88.
- [SDR SCNA20260609244](https://openairdocs.org/sdr/SCNA20260609244), May 5, 2026: VAPOR BARRIER. CRACKED. CRACK ON VAPOR BARRIER (LOWER WEB) BETWEEN BSTA 663 & LBL 31.83 TO LBL 45.64, ALSO BETWEEN BSTA 663 & RBL 25.00 TO RBL 40. VAPOR BARRIER (LOWER WEB) BETWEEN BST
- [SDR SCNA20260223097](https://openairdocs.org/sdr/SCNA20260223097), Feb 21, 2026: LAMP. INOPERATIVE. EMERGENCY AREA LIGHT AT ROW 14ABC INOPERATIVE. REMOVED AND REPLACED EMERGENCY AREA LIGHT LAMP AT ROW 14ABC IAW AMM 33-51-03-960-801. OPS CHECK GOOD AT THIS TIME
- [SDR SCNA20251209469](https://openairdocs.org/sdr/SCNA20251209469), Dec 8, 2025: ELEC CONNECTOR. BROKEN. FOUND BROKEN CONNECTOR ON RT FWD EMERGENCY EXIT FWD HATCH HEATER. OPEN
- [SDR SCNA20251103422](https://openairdocs.org/sdr/SCNA20251103422), Oct 31, 2025: SLIDE. NO DISCREPANCY. L1 MAIN DOOR SLIDE NEEDS REPACKING. THE SLIDE PACK CHECKED IAW AMM 25-66-01-200-802. NO FAULTS NOTED, OK FOR SVC.
- [SDR SCNA20251010406](https://openairdocs.org/sdr/SCNA20251010406), Sep 24, 2025: STRINGER SPLICE. DAMAGED. SPLICE REPAIR OF THE LEFT HAND AND RIGHT HAND STRINGER 10 FOR PICKLE FORK REPLACEMENT - RESOLUTION: COMPLETE: COMPLIED WITH SC ENGINEERING TC 737-53-1397-00-GRP
- [SDR SCNA20251010405](https://openairdocs.org/sdr/SCNA20251010405), Sep 24, 2025: STRINGER SPLICE. DAMAGED. SPLICE REPAIR OF THE LEFT HAND AND RIGHT HAND STRINGER 14 FOR PICKLE FORK REPLACEMENT - COMPLIED WITH SC ENGINEERING TC 737-53-1397-00-GRP53 
- [SDR SCNA20251009400](https://openairdocs.org/sdr/SCNA20251009400), Sep 24, 2025: FORK. NOT REPORTED. LEFT PICKLE FORK REPLACEMENT IS REQUIRED BEFORE RELEASE OF THE AIRCRAFT. COMPLIED WITH SC ENGEERING TC 737-53-1397-00-GRP53, FAS#8205
- [SDR SCNA20251009399](https://openairdocs.org/sdr/SCNA20251009399), Sep 24, 2025: FORK. NOT REPORTED. FAS# 8502 RH PICKLE FORK REPLACEMENT IS REQUIRED BEFORE RELEASE OF THE AIRCRAFT. FAS# 8205 COMPLIED WITH SC ENGINEERING TC 737-53-1397-00-GRP53.
- [SDR SCNA20250501147](https://openairdocs.org/sdr/SCNA20250501147), May 1, 2025: BRACKET. LOOSE. DEFECT 707464: FORWARD 1R DOOR GIRT DOOR BRACKET IS VERY LOOSE RESOLUTION: ADJUSTED BRACKET REF AMM 25-66-01. OPS CHECK GOOD OK FOR SERVICE
- [SDR SCNA20240729286](https://openairdocs.org/sdr/SCNA20240729286), Jul 25, 2024: BRACKET. OUT OF POSITION. 1R GIRT BAR BRACKET BENT OUT OF PLACE. STRAITENED 1R GIRT BAR BRACKET. OPS CGECKS OK. REF AMM 25-66-02.
- [SDR SCNA20231130242](https://openairdocs.org/sdr/SCNA20231130242), Nov 28, 2023: UNKNOWN. UNKNOWN. DEFECT 765219 - AILERON CONTROLS VERY HEAVY (STIFF) WHEN AUTOPILOT TURNED OFF. TAKES SIGNIFICANT CONTROL PRESSURE TO MOVE AILERONS. - RESOLUTION: REFERENCE WORK
- [SDR SCNA20231030242S](https://openairdocs.org/sdr/SCNA20231030242S), Oct 30, 2023: UNKNOWN. UNKNOWN. SUPPLEMENTAL: PERFORMED FIM 27-11 TASK 804 AND FOUND THE CONTROL WHEEL FORCE NORMAL FOR AILERON MOVEMENT. INSPECTED THE CAM FOLLOWER BEARING AND FOUND MINOR WEA
- [SDR SCNA20231030242](https://openairdocs.org/sdr/SCNA20231030242), Oct 30, 2023: UNKNOWN. UNKNOWN. ON SHORT FINAL WHEN TRYING TO CONTROL ROLL WITH AILERONS I COULD NOT MOVE THE CONTROL WHEEL MORE THAN 3 TO 4 UNITS WITHOUT GREAT DIFFICULTY. IMPOSSIBLE WITHOUT 
- [SDR SCNA20240311153](https://openairdocs.org/sdr/SCNA20240311153), Jun 10, 2023: PLATE. CORRODED. CORROSION ON PLATES (2EAS) OF AFT CARGO COMPARTMENT. FOR EXCESS DAMAGE ON PLATES (2EAS) OF AFT CARGO COMPARTMENT WILL REPLACED PER B737-800 SRM 51-10-02-0G PAR 
- [SDR SCNA20240310131](https://openairdocs.org/sdr/SCNA20240310131), Jun 3, 2023: INTERCOSTAL. CRACKED. HIDDEN DAMAGE IN REF: NRC # 00107, DURING REMOVAL OF FWD CARGO RH SIDE PLATE , INTERCOSTAL BTW FRM 500G-500H CRACK WAS FOUND. INTERCOSTAL BTW FRM 500G-500H RH W
- [SDR SCNA20240311136](https://openairdocs.org/sdr/SCNA20240311136), May 27, 2023: INTERCOSTAL. CRACKED. INITIAL INSPECTION: CRACK ON INTERCOSTAL BTW STA 312 & STA 328 LBL 46 AT PASSENGER CABIN FLOOR STRUCTURE (CPAX). INTERCOSTAL BTW STA 312 & STA 328 LBL 46 AT PAS
- [SDR SCNA20240311135](https://openairdocs.org/sdr/SCNA20240311135), May 27, 2023: INTERCOSTAL. CRACKED. INITIAL INSPECTION: CRACK ON INTERCOSTAL STA 285 BL 0 AT PASSENGER CABIN FLOOR STRUCTURE (CPAX). INTERCOSTAL STA 285 BL 0 AT PASSENGER CABIN FLOOR STRUCTURE (CP
- [SDR SCNA20240311134](https://openairdocs.org/sdr/SCNA20240311134), May 27, 2023: INTERCOSTAL. CRACKED. INITIAL INSPECTION: CRACK ON INTERCOSTAL STA 324 RBL 31 AT PASSENGER CABIN FLOOR STRUCTURE (CPAX). INTERCOSTAL STA 324 RBL 31 AT PASSENGER CABIN FLOOR STRUCTURE
- [SDR SCNA20240311133](https://openairdocs.org/sdr/SCNA20240311133), May 27, 2023: INTERCOSTAL. CRACKED. INITIAL INSPECTION: CRACK ON INTERCOSTAL BTW STA 344 & STA 360 BL 0 AT PASSENGER CABIN FLOOR STRUCTURE (CPAX). INTERCOSTAL BTW STA 344 & STA 360 BL 0 AT PASSENG
- [SDR SCNA20240311140](https://openairdocs.org/sdr/SCNA20240311140), May 26, 2023: FRAME. CRACKED. INITIAL INSPECTION: CRACK IN FRAME AT STA 312 & S-6L AT PASSENGER CABIN. FRAME AT STA 312 & S-6L AT PASSENGER CABIN WAS REPAIRED PER B737-800 SRM 53-10-07-2R-1.
- [SDR SCNA20240311139](https://openairdocs.org/sdr/SCNA20240311139), May 26, 2023: SIDEWALL SUPPORT. CORRODED. INITIAL INSPECTION :CORROSION ON SIDEWALL PANEL SUPPORTS FROM STA 500D TO STA 500H BTW STRINGER 23L AND STRINGER 25L AT FWD CARGO COMPARTMENT. SIDEWALL PANEL SU
- [SDR SCNA20240311138](https://openairdocs.org/sdr/SCNA20240311138), May 26, 2023: PLATE. CORRODED. INITIAL INSPECTION:CORROSION ON SIDEPLATE LH FROM STA 400 TO STA 500I STR 26L AT FWD CARGO COMPARTMENT. SIDE PLATE LH FROM STA 400 TO STA 500I STR 26 LH AT FWD 
- [SDR SCNA20240311137](https://openairdocs.org/sdr/SCNA20240311137), May 26, 2023: PLATE. CORRODED. INITIAL INSPECTION:CORROSION ON SIDE PLATE RH FROM STA 500A TO STA 500I STR 26R AT FWD CARGO COMPARTMENT. SIDE PLATE RH FROM STA 500A TO STA 500I STR 26 RH AT F
- [SDR SCNA20240311132](https://openairdocs.org/sdr/SCNA20240311132), May 25, 2023: FLOOR SUPPORT. CORRODED. INITIAL INSPECTION: CORROSION ON SEVERAL POINTS OF ALL SIDEPLATE OF AFT CARGO COMPARTMENT FLOOR STRUCTURE RBL 21 BETWEEN STA 867 & 947. SIDEPLATE OF AFT CARGO C
- [SDR SCNA20240310130](https://openairdocs.org/sdr/SCNA20240310130), May 23, 2023: WEB. CRACKED. INITIAL INSPECTION: CRACK ON WEB ON INTERNAL STRUCTURE AT REAR SPAR WS 280 APPROX RH WING. WEB ON INTERNAL STRUCTURE AT REAR SPAR WS 280 APPROX RH WING WAS REPL
- [SDR SCNA20220926111](https://openairdocs.org/sdr/SCNA20220926111), Sep 25, 2022: FSEU. FAULTED. DEFECT 682464: SELECTED FLAPS 30 LE FLAP TRANSIT LIGHT DID NOT GET A GREEN LIGHT. RESOLUTION: FOUND FAULT CODES 27-51105, 27-81354. REMOVED AND REPLACED FSEU PE
- [SDR SCNA20221003113](https://openairdocs.org/sdr/SCNA20221003113), Jun 16, 2022: BATTERY PACK. DISCHARGED. DON`T PASS OPERATIONAL TEST EMERGENCY LIGHT AT EMERGENCY EXIT AREA LH S IDE AT PASSENGER CABIN PERFORMED FAULT ISOLATION OF THE EMERGENCY LIGHT AT EMERGENCY EXI

## 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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