# N830SY: 2001 Boeing 737-83N

- Status: Valid registration
- Airframe: [Boeing 737-83N](https://openairdocs.org/model/boeing-737-83n) (registry code 13844HI, 149 seats)
- Engine: [CFM International CFM56-7B27/B1 series](https://openairdocs.org/engine/cfm-international-cfm56-7b27-b1-series) (registry code 13053)
- Serial number: 30706
- Year built: 2001
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 9, 2011
- Certificate issued: January 7, 2020
- Expires: January 31, 2030
- Mode S code: AB5A01
- Registered owner: [Sun Country Inc](https://openairdocs.org/faa-owner/SUN%20COUNTRY%20INC)
- 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=830SY
- Page: https://openairdocs.org/aircraft/N830SY

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 CFM56-7B27/B1 model are included.

## ADs that may apply (OpenAirDocs): 17 in force

### Matched by airframe (Boeing 737-83N)

None in force.

### Matched by engine (CFM International CFM56-7B27/B1 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 2021-16-08](https://openairdocs.org/ad/2021-16-08): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 55 more. Effective Sep 28, 2021
- [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 2008-03-09](https://openairdocs.org/ad/2008-03-09): Low pressure turbine rear frames (TRFs) · CFM International CFM56-7B18, CFM56-7B20, CFM56-7B22 and 10 more. Effective Mar 10, 2008
- [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
- [AD 2002-16-18](https://openairdocs.org/ad/2002-16-18): Low pressure turbine (LPT) nozzle segments · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 33 more. Effective Sep 18, 2002
- [AD 2002-13-03](https://openairdocs.org/ad/2002-13-03): Turbofan Engines · CFM International CFM56-2, CFM56-2A, CFM56-2B and 55 more. Effective Aug 1, 2002
- [AD 2001-11-05](https://openairdocs.org/ad/2001-11-05): No. 4 Bearings · CFM International CFM56-2, CFM56-2B, CFM56-3 and 45 more. Effective Jun 11, 2001
- [AD 2001-02-12](https://openairdocs.org/ad/2001-02-12): On-Wing Torque Inspection · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 11 more. Effective Feb 14, 2001
- [AD 98-21-23](https://openairdocs.org/ad/98-21-23): Electronic Engine Control · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Nov 2, 1998

### 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 2019-12-05](https://openairdocs.org/ad/2019-12-05) (historical): Turbine Section · CFM International CFM56-5B1, CFM56-5B1/2P, CFM56-5B1/P and 39 more. Effective Jul 5, 2019
- [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
- [AD 2000-12-01](https://openairdocs.org/ad/2000-12-01) (historical): Critical Life-Limited Parts · CFM International CFM56-2, CFM56-2A, CFM56-2B and 54 more. Effective Dec 11, 2000

## 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 N830SY.

## FAA accident and incident reports

None matched to N830SY.

## Service difficulty reports (42)

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 SCNA20261023438](https://openairdocs.org/sdr/SCNA20261023438), Oct 21, 2026: BATTERY PACK. INOPERATIVE. LH EMERGENCY EXIT ROW EMERGENCY LIGHTS INOP. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK IAW AMM 33-51-06-960-805. OPS CHECK GOOD.
- [SDR SCNA20260720315](https://openairdocs.org/sdr/SCNA20260720315), Jul 16, 2026: LATCH. FAULTED. L2 GIRT BAR LATCH PROTRUDES. ADJUSTED AFT LT GIRT BAR IAW 25-66-00. OKAY FOR SERVICE.
- [SDR SCNA20260515200](https://openairdocs.org/sdr/SCNA20260515200), May 14, 2026: OVEN. DIRTY. AFT OVEN RACK TO SMALL SMOKEY AND NEEDS CLEANING. INFORMED CATERING FOR NEW OVEN INSERTS AND RACKS
- [SDR SCNA20260601233](https://openairdocs.org/sdr/SCNA20260601233), Mar 31, 2026: SKIN. DENTED. DENT IS 2 INCHES WIDE, 4 INCHES LONG, 040 DEEP, AT STRINGER 26L STATION 366. ACCOMPLISHED FUSELAGE STRINGER REPAIR, FWD FUSELAGE BETWEEN STA 344 TO STA 400 AND 
- [SDR SCNA20260401146](https://openairdocs.org/sdr/SCNA20260401146), Mar 31, 2026: LIGHT. INOPERATIVE. REAR LEFT EMERGENCY SLIDE LIGHT INOPERATIVE. EPLACED REAR LEFT EMEGERNCY SLIDE LIGHT IAW B737 AMM 33-51-04 CHECK EMERGENCY SLIDE LIGHT . CHECK SATISFACTORY IAW 
- [SDR SCNA20260327144](https://openairdocs.org/sdr/SCNA20260327144), Mar 26, 2026: CUP. CRACKED. AFT RIGHT OVER WING EMERGENCY EXIT DOOR LIFT HANDLE CUP CRACKED R&R DOOR HANDLE CUP REF AMM 52-22-51
- [SDR SCNA20260310114](https://openairdocs.org/sdr/SCNA20260310114), Mar 9, 2026: ARM REST. BROKEN. 3C ARMREST BROKEN. SHARP METAL ISLE SIDE. TRANSFERED 3C ARMREST DISCREPENCY TO AML 830133 ITEM 1. REPLACED ARMREST CAP AT 3C REF CMM 25-63-57 THIS CLEARS GMM/MT
- [SDR SCNA20260209059](https://openairdocs.org/sdr/SCNA20260209059), Feb 7, 2026: TRIM PANEL. UNSECURE. TRIM PIECE AROUND EMERGENCY EXIT DOOR DOES NOT IN PLACE. ROW 15F. OPEN
- [SDR SCNA20251208466](https://openairdocs.org/sdr/SCNA20251208466), Dec 5, 2025: LAMP. INOPERATIVE. EMERGENCY EXIT LOWER SIGN AT L1 DOOR IS INOPERATIVE. REPLACED L1 LOWER EXIT SIGN LIGHT LAMPS IAW AMM 33-51-01. OPS CHECK GOOD.
- [SDR SCNA20251208465](https://openairdocs.org/sdr/SCNA20251208465), Dec 5, 2025: LAMP. INOPERATIVE. EMERGENCY LIGHT AT 17DEF IS INOPERATIVE. REPLACED EMERGENCY AREA LIGHT LAMP AT ROW 17DEF IAW AMM 33-51-03. OPS CHECK GOOD.
- [SDR SCNA20250829343](https://openairdocs.org/sdr/SCNA20250829343), Aug 27, 2025: NUT PLATE. MISSING. REMOVED ESCAPE SLIDE GIRT BAR BRACKETS FOM, AFT ADAPTER PLATE AFT SCREW NUTPLATE FOUND TO BE MISSING, RTV HELD SCREW IN PLACE. REMOVE ESCAPE SLIDE GIRT BAR BRAC
- [SDR SCNA20250827338](https://openairdocs.org/sdr/SCNA20250827338), Aug 26, 2025: INSERT. LOOSE. L1 DOOR ENTRY GALLEY MAT THRESHOLD PLATE HAS LOOSE INSERTS IN FLOORBOARD BETWEEN GIRT BAR FLOOR MOUNTS. INSTALLED NEW INSERTS AND SECURED THRESHOLD PLATE.
- [SDR SCNA20250820328](https://openairdocs.org/sdr/SCNA20250820328), Aug 19, 2025: BATTERY PACK. NO TEST. EMERGENCY LIGHTING BATTERY PACK AT POSITION M1670 FAILED CAPACITY CHECK. REMOVED AND REPLACED EMERGENCY LIGHTING BATTERY PACK AT POSITION M1670 REF. AMM 33-51-0
- [SDR SCNA20250820327](https://openairdocs.org/sdr/SCNA20250820327), Aug 19, 2025: BATTERY PACK. NO TEST. EMERGENCY LIGHT BATTERY PACK AT POSITION M1675 FAILED CAPACITY CHECK. REMOVED AND REPLACED EMERGENCY LIGHTING BATTERY PACK AT POSITION M1675 REF. AMM 33-51-06, 
- [SDR SCNA20250714257](https://openairdocs.org/sdr/SCNA20250714257), Jul 14, 2025: ENGINE. FAILED. SEVERE ENGINE DAMAGE #2 CLIMBING OUT OF 14,000 FT REDLINE EGT NO ROTATION N2 N1 14% FA'S REPORTED ALOT OF SPARKS MODERATE VIBRATION. REMOVED AND REPLACED #2 ENG
- [SDR SCNA20250714258](https://openairdocs.org/sdr/SCNA20250714258), Jul 10, 2025: SENSOR. FAULTED. DEFECT 801870: TRAILING EDGE FLAP ASYMMETRY RT FLAP INDICATOR SHOWS UP, LEFT FLAP INDICATOR SHOWS LESS THAN UP. - (EMERGENCY DECLARED) - RESOLUTION: FSEU BITE P
- [SDR SCNA20250711253](https://openairdocs.org/sdr/SCNA20250711253), Jul 10, 2025: BATTERY PACK. INOPERATIVE. ROW 15-22 EMERGANCY LIGHTS OUT.R & R EMERGANCY LIGHT BATTERY PACK IAW AMM 33-51-06. OPS CHECKS GOOD.
- [SDR SCNA20240826306](https://openairdocs.org/sdr/SCNA20240826306), Aug 8, 2024: VENT. CORRODED. CORROSION FOUND AT LH AFT FUSELAGE UNDER AFT LAV VENT AT LAP SEAM NEAR FRAME STA 916 STRINGER 22. - - RESOLUTION: ACCOMPLISHED REPAIR AT EXTERNAL FUSELAGE SKIN 
- [SDR SCNA20240808297](https://openairdocs.org/sdr/SCNA20240808297), Aug 7, 2024: BATTERY PACK. NO TEST. AFT L/H EMERGENCY BATTERY PACK FAILED TEST. REMOVED AND REPLACED AFT L/H EMERGENCY BATTERY PACK REF AMM 33-51-00
- [SDR SCNA20240808296](https://openairdocs.org/sdr/SCNA20240808296), Aug 7, 2024: BATTERY PACK. NO TEST. WORK ORDER 89036, NR00009: AFT R/H EMERGENCY BATTERY PACK FAIL TEST. - -RESOLUTION: REMOVED AND REPLACED AFT R/H EMERGENCY BATTERY PACK REF AMM 33-51-00
- [SDR SCNA20240401170](https://openairdocs.org/sdr/SCNA20240401170), Mar 29, 2024: GIRT BAR. OUT OF ADJUST. DEFECT 731966 ITEM 2 : L2 DOOR GIRT BAR HARD TO GET INTO PLACE. ADJUSTED GIRT BAR CLIP TENSION. REF AMM 26-60-00
- [SDR SCNA20230824209](https://openairdocs.org/sdr/SCNA20230824209), Aug 22, 2023: UNKNOWN. UNKNOWN. DEFECT 705338: DURING CRUISE L1 WINDOW STARTED ARCING AND CAUSED SEVERE DAMAGE TO OUTER PANE.- - - RESOLUTION: (IN PROGRESS)
- [SDR SCNA20230815208](https://openairdocs.org/sdr/SCNA20230815208), Aug 14, 2023: UNKNOWN. UNKNOWN. DEFECT W/O 81151 NRC00002: #3 BRAKE WAS WRITTEN UP BY FLIGHT CREW AS READING 8.6 INSPECTION OF BRAKE FOUND IT GLOWING RED AND STARTED ON FIRE. - - - RESOLUTION:
- [SDR SCNA20240310110](https://openairdocs.org/sdr/SCNA20240310110), Jun 18, 2023: FLOOR SUPPORT. CORRODED. DEFECT WO 74296 NR00049: CORROSION ON FLOOR STRUCTURE INNER CHORD LOCATED BTW BS 947.5 TO BS 96 7 AT LEVEL STR 17L AFT GALLEY AREA - - RESOLUTION: REPLACED INNE
- [SDR SCNA20240310108](https://openairdocs.org/sdr/SCNA20240310108), Jun 18, 2023: ANGLE. CRACKED. DEFECT WO 74296 NR00083: CRACK ANGLE LOCATED BETWEEN BS1016 AND STR2L TO STR2R AT VERTICAL STAB ILIZER - - REPLACED ANGLE LOCATED BETWEEN BS1016 AND STR2L TO ST
- [SDR SCNA20240310107](https://openairdocs.org/sdr/SCNA20240310107), Jun 18, 2023: FLOORBEAM. CRACKED. DEFECT WO 74296 NR00075: CRACK ON INTERCOSTAL LOCATED FLOOR STRUCTURE BS 540 BTW BL 0 TO LBL 2 4.75 AT PASSENGER CABIN - - RESOLUTION: REPLACED PLATE ON INTERCO
- [SDR SCNA20240310106](https://openairdocs.org/sdr/SCNA20240310106), Jun 18, 2023: FRAME. CRACKED. DEFECT WO 74296 NR00026: CRACK FRAME LOCATED BS 400, BETWEEN STRINGER 8L AND STRINGER 9L AT PASSE NGER CABIN. - - RESOLUTION: PERFORMED PERMANENT REPAIR ON FRAM
- [SDR SCNA20240310105](https://openairdocs.org/sdr/SCNA20240310105), Jun 18, 2023: FRAME. CRACKED. DEFECT 74296 NR00025: CRACK FRAME LOCATED BS 400, BETWEEN STRINGER 8R AND STRINGER 9R AT PASSE NGER CABIN - - RESOLUTION: PERFORMED PERMANENT REPAIR ON FRAME LO
- [SDR SCNA20240310104](https://openairdocs.org/sdr/SCNA20240310104), Jun 18, 2023: SUPPORT ANGLE. CRACKED. DEFECT WO 74296 NR00098: CRACK ON SUPPORT ANGLE LOCATED AT LEVEL ORSS 277 TRAILING EDGE AT LT W ING - - RESOLUTION: REPLACED ANGLE LOCATED AT LEVEL ORSS 277 TRA
- [SDR SCNA20240310103](https://openairdocs.org/sdr/SCNA20240310103), Jun 18, 2023: SUPPORT ANGLE. CRACKED. DEFECT WO 74296 NR00097: CRACK ON SUPPORT ANGLE LOCATED AT LEVEL ORSS 268 TRAILING EDGE AT LT WING. - - RESOLUTION: REPLACED SUPPORT ANGLE LOCATED AT LEVEL ORSS
- [SDR SCNA20240310102](https://openairdocs.org/sdr/SCNA20240310102), Jun 18, 2023: STRINGER. CRACKED. DEFECT WO 74296 NR00096: CRACK STRINGER 27L LOCATED KEEL BEAM ON BS727 AT AFT CARGO COMPARTMENT - - RESOLUTION: PERFORMED PERMANENT REPAIR LOCATED KEEL BEAM ON 
- [SDR SCNA20240310101](https://openairdocs.org/sdr/SCNA20240310101), Jun 18, 2023: INTERCOSTAL. CRACKED. DEFECT WO74296 NR00095: CRACK WEB - INTERCOSTAL LOCATED BETWEEN BS927 TO BS947 AND RBL21 AFT C ARGO COMPARTMENT- - RESOLUTION: REPLACED INTERCOSTAL AND FASTENER
- [SDR SCNA20240310100](https://openairdocs.org/sdr/SCNA20240310100), Jun 18, 2023: CARGO TRACK. CRACKED. DEFECT WO 74296 NR00087: CRACK FLOOR STRUCTURE CARGO TRACK LBL 17.24, AT LEVEL BS 727E, 727I A T AFT CARGO COMPARTMENT - - RESOLUTION: PERFORMED PERMANENT REPAI
- [SDR SCNA20240310099](https://openairdocs.org/sdr/SCNA20240310099), Jun 18, 2023: CARGO TRACK. CRACKED. DEFECT WO 74296 NR00084 CRACK FLOOR STRUCTURE CARGO TRACK LOCATED STA 727E AND RBL 13.84, STA 727G AND RBL 13.84, STA 727H AND RBL 13.84, STA 727I AND RBL 13.84
- [SDR SCNA20230619189](https://openairdocs.org/sdr/SCNA20230619189), Jun 18, 2023: UNKNOWN. UNKNOWN. DEFECT 724361: R1 AND R2 EMERGENCY LIGHT BATTERIES ARE BAD. - - - RESOLUTION: (IN PROGRESS)
- [SDR SCNA20230614185](https://openairdocs.org/sdr/SCNA20230614185), May 25, 2023: UNKNOWN. UNKNOWN. DEFECT W/O 74298 NR00029: DETERIORATED EMERGENCY LIGHT ON LH EMERGMENCY EXIT FWD. - - - RESOLUTION (IN PROGRESS)
- [SDR SCNA20230328115S](https://openairdocs.org/sdr/SCNA20230328115S), Mar 25, 2023: UNKNOWN. UNKNOWN. DEFECT 729450: FLAP ASSYMETRY - APPROACH PHASE OF FLIGHT - FLAPS 1 - R UP - L HALFWAY TO ONE - YAW DAMPER KICKED OFF - RAN QRH 9.46, 9.32 (EMERGENCY DECLARED, L
- [SDR SCNA20230328115](https://openairdocs.org/sdr/SCNA20230328115), Mar 25, 2023: UNKNOWN. UNKNOWN. DEFECT 729450: FLAP ASSYMETRY - APPROACH PHASE OF FLIGHT - FLAPS 1 - R UP - L HALFWAY TO ONE - YAW DAMPER KICKED OFF - RAN QRH 9346, 9.32. EMERGENCY DECLARED, L
- [SDR SCNA20221005123](https://openairdocs.org/sdr/SCNA20221005123), Oct 4, 2022: FLAP SYSTEM. WARNING LIGHT. DEFECT 724694: AFTER FLAPS WERE SET T 5 WITH A LE FLAPS EXT GREEN LIGHT LE FLAPS INTRANSIT AMBER LIGHT COMES ON WITH #2 AMBER LIGHT OVERHEAD PANEL THEN EXTINGIS
- [SDR SCNA20220715080](https://openairdocs.org/sdr/SCNA20220715080), Jul 15, 2022: GIRT BAR. STIFF. DEFECT: 2L GIRT BAR DIFFCULT TO REMOVE FROM CLIPS WHEN ARMING. RESOLUTION: GIRT BAR WITHIN LIMITS. REF AMM 25-66-01
- [SDR SCNA20220715079](https://openairdocs.org/sdr/SCNA20220715079), Jul 11, 2022: GIRT BAR. LOOSE. DEFECT: 2L GIRT BAR DOOR BRACKET DOESNT HOLD GIRT BAR SECURELY. RESOLUTION: INSPECTED L2 DOOR GIRT BAR BRACKET. NO DEFECTS NOTED. GIRT BAR IS HELD SECURELY IN B
- [SDR SCNA20220124002](https://openairdocs.org/sdr/SCNA20220124002), Jan 19, 2022: BRAKE. DAMAGED. AT GATE, NUMBER TWO TIRE BRAKE OVERHEAT. RIGHT BRAKE 5.0 AT GATE, RAMP PERSON CAME TO FLIGHT DECK AND REPORTED SMALL FIRE AND FLAMES BUT WENT OUT QUICKLY. PERFO

## 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 CFM56-7B27/B1 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 737-83N aircraft: https://openairdocs.org/model/boeing-737-83n/aircraft.md
- The CFM International CFM56-7B27/B1 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27-b1-series.md

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