# N834SY: 2011 Boeing 737-8KN

- Status: Valid registration
- Airframe: [Boeing 737-8KN](https://openairdocs.org/model/boeing-737-8kn) (registry code 1384612, 191 seats)
- Engine: [CFM International CFM56-7B26/3 series](https://openairdocs.org/engine/cfm-international-cfm56-7b26-3-series) (registry code 13073)
- Serial number: 40245
- Year built: 2011
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: May 18, 2019
- Certificate issued: May 16, 2019
- Expires: May 31, 2029
- Mode S code: AB68DD
- Registered owner: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, 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=834SY
- Page: https://openairdocs.org/aircraft/N834SY

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 737-8KN)

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 N834SY.

## FAA accident and incident reports

None matched to N834SY.

## Service difficulty reports (31)

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 SCNA20260522212](https://openairdocs.org/sdr/SCNA20260522212), May 21, 2026: RETAINER. DAMAGED. INITIAL INSPECTION: SHEARED OFF AND LOOSE RIVETS ON RETAINER CLIP ON L1/L2 ESCAPE SLIDES. RIVETS ON RETAINER CLIP ON L1/L2 ESCAPE SLIDES WERE REPLACED IAW SRM 5
- [SDR SCNA20260522211](https://openairdocs.org/sdr/SCNA20260522211), May 21, 2026: SUPPORT. WORN. INITIAL INSPECTION: WEAR ON SUPPORT LH ON L2 ESCAPE SLIDE. BRACKET LT ON L2 ESCAPE SLIDE WAS REPLACED IAW SRM 51-40-02-0G-0.
- [SDR SCNA20251201455](https://openairdocs.org/sdr/SCNA20251201455), Nov 29, 2025: ENGINE. VIBRATION. ENG 2 VIBRATIONS WERE AT 4.3 WHILE IN CRUISE. EMERGENCY DECLARED. R&R #2 ENG PER W/0 100261 T/C 710000000
- [SDR SCNA20250407104](https://openairdocs.org/sdr/SCNA20250407104), Apr 5, 2025: SLIDE. PARTIAL DEPLOY. DEFECT 749304: 1L BOARDING DOOR SLIDE PATIALLY DEPLOYED. - RESOLUTION: PERFORMED L1 DOOR SLIDE CHECK IAW AMM 25-66-01. FOUND LATCH ASSEMBLY BROKEN. R & R LATCH 
- [SDR SCNA20240711272](https://openairdocs.org/sdr/SCNA20240711272), Jul 11, 2024: HOOK. LOOSE. L1 DOOR SLIDE GRIT BAR AFT CLIP IS LOOSE AND NOT SECURING GRIT BAR WELL. RESECURED L1 DOOR SLIDE GRIT BAR IAW SRM 51-40-02 AND REINSTALLED L1 DOOR SLIDE IAW AMM
- [SDR SCNA20240318158](https://openairdocs.org/sdr/SCNA20240318158), Mar 18, 2024: OVEN. SMOKE. AFT RIGHT OVEN SMOKING BADLY AND BLACK AND HOT AT TOP RIGHT GASKET. REMOVED AND REPLACED OVEN IN REF. TO AMM 25-30-61. OPS CHECK GOOD.
- [SDR SCNA20231030241](https://openairdocs.org/sdr/SCNA20231030241), Oct 25, 2023: UNKNOWN. UNKNOWN. WO 82545 // TASK CARD: L1 DOOR AFT GIRT BAR LATCH HAS SHEARED RIVETS. REPLACED SHEARED L1 AFT GIRT BAR RIVET REF SRM 51-40-02
- [SDR SCNA20231030240](https://openairdocs.org/sdr/SCNA20231030240), Oct 25, 2023: UNKNOWN. UNKNOWN. R2 DOOR AFT GIRT BAR LATCH HAS SHEARED RIVETS. REPLACED SHEARED R2 GIRT BAR LATCH RIVET REF SRM 51-40-02
- [SDR SCNA20230530166](https://openairdocs.org/sdr/SCNA20230530166), May 18, 2023: FLOORBEAM. CORRODED. DEFECT NR00303: FLOOR BEAM AT STA 344 LBL 10 SRM REPAIR MODIFICATION. - - - RESOLUTION: REMOVED EXISTING REPAIR AND MODIFIED FLOOR BEAM AT STA 344 LBL 10 TO COM
- [SDR SCNA20230515151](https://openairdocs.org/sdr/SCNA20230515151), May 4, 2023: BAFFLE. CRACKED. DEFECT: NR00284: FWD CARGO COMPARTMENT, BETWEEN BS 500F AND 500G, WL 160, S-26L BAFFLE IS CRACKED. - - - RESOLUTION: REMOVED AND REPLACED CRACKED BAFFLE BS 500F
- [SDR SCNA20230509144](https://openairdocs.org/sdr/SCNA20230509144), Apr 25, 2023: BAFFLE. CRACKED. DEFECT NR00272: FWD CARGO COMPARTMENT BAFFLE AT BS 500G - 500H LLBL 24 WL 160 CRAKCED.- - - RESOLUTION: REPLACED BAFFLE AT BS 500G - 500H LBL 24 WL160 PER B737-
- [SDR SCNA20230515153](https://openairdocs.org/sdr/SCNA20230515153), Apr 24, 2023: INTERCOSTAL. DAMAGED. DEFECT NR00269: DAMAGE FOUND ON INTERCOSTAL @STA 294.5+12 LBL 11, WL 208. - - - RESOLUTION: REMOVED AND REPLACED INTERCOSTAL AT STA 294.5+12 LBL 11, WL 208 IAW 
- [SDR SCNA20230531172](https://openairdocs.org/sdr/SCNA20230531172), Apr 19, 2023: INTERCOSTAL. CORRODED. DEFECT NR00228: CORROSION ON FLOOR BEAMAT STA 344 LBL10 APPROX. - - - RESOLUTION: AFTER FURTHER INVESTIGATION FOUND CORROSION TO BE OUT OF LIMITS ON FLOOR BEAM 
- [SDR SCNA20230515147](https://openairdocs.org/sdr/SCNA20230515147), Apr 19, 2023: UNKNOWN. UNKNOWN. DEFECT: NR00229: CORROSION ON FLOOR BEAM AT STA 294 LBL 10 APPROX (MARKED). - - - RESOLUTION: REPAIRED FLOOR BEAM AT STA 294 LBL 10 IAW B737 SRM 53-10-51-2R-14.
- [SDR SCNA20230512146](https://openairdocs.org/sdr/SCNA20230512146), Apr 19, 2023: UNKNOWN. CORRODED. DEFECT NR00222: L2 MOP SEAL HAS AREAS OF CORROSION (MARKED). - - - RESOLUTION: EVALUATED CORROSION ON MOP SEAT L2 FOUND TO BE OUT OF LIMITS, REMOVED AND REPLACE
- [SDR SCNA20230517154](https://openairdocs.org/sdr/SCNA20230517154), Apr 17, 2023: SHIELD. CORRODED. FWD CARGO BAY ON RH SHIELD HAS SIGNS OF CORROSION AROUND FASTENER HOLES AT STA 500 TO 500A. REMOVED AND REPLACED NEW SHIELD REPLACEMENT, PART # 143A8126, ON FWD
- [SDR SCNA20230515152](https://openairdocs.org/sdr/SCNA20230515152), Apr 17, 2023: BAFFLE. CRACKED. DEFECT NR 00187: FCB HAS CRACKED BAFFLE CLIP AT STA 500G FWD L/H SIDE BL 24 (MARKED) - - -RESOLUTION: REMOVED AND REPLACED BAFFLE CLIP AT STA 500G FWD L/H BL 24
- [SDR SCNA20230508143](https://openairdocs.org/sdr/SCNA20230508143), Apr 17, 2023: WEB. CORRODED. FWD CARGO BAY THRESHOLD WEB AT DOOR HAS EVIDECE OF CORROSION AROUND FASTENER HOLES 9. CORROSION DAMAGE ON FWD CARGO BAY THRESHOLD WEB AT DOOR EVALUATED AND FOUN
- [SDR SCNA20230518156](https://openairdocs.org/sdr/SCNA20230518156), Apr 14, 2023: FLOORBEAM. CORRODED. DEFECT NR00158: CORROSION ON 986 FLOOR BEAM UPPER SURFACE RBL 44. - - - RESOLUTION: REPAIRED BS 986 FLOOR BEAM UPPER CAP IAW SCA ENG-53SCA-11180 REV 00 AND ATS 
- [SDR SCNA20230517155](https://openairdocs.org/sdr/SCNA20230517155), Apr 14, 2023: FLOORBEAM. CORRODED. CORROSION ON FLOOR BEAM UPPER SURFACE LBL 44. REPAIRED BS 986 FLOOR BEAM UPPER CHORD PER B737 SRM 53-70-51-2R-4 LBL 50 TO RBL 11. CORROSION DAMAGE FOUND TO BE O
- [SDR SCNA20230328116](https://openairdocs.org/sdr/SCNA20230328116), Mar 10, 2023: UNKNOWN. UNKNOWN. DEFECT 744805: TRAILING EGDE FLAPS DISAGRE INFLIGHT. FLAP HANDEL AT 30; FLAPS INDICATED JUST OVER 25 . FLAPS DID NOT MOVE UP WHEN SELECTED INFLIGHT BUT DID MOVE
- [SDR SCNA20230313099](https://openairdocs.org/sdr/SCNA20230313099), Mar 10, 2023: UNKNOWN. UNKNOWN. DEFECT: TRAILING EGDE FLAPS DISAGRE INFLIGHT. FLAP HANDEL AT 30; FLAPS INDICATED JUST OVER 25 . FLAPS DID NOT MOVE UP WHEN SELECTED INFLIGHT BUT DID MOVE TO 30 
- [SDR SCNA20230113040](https://openairdocs.org/sdr/SCNA20230113040), Jan 12, 2023: NONE. NONE. FUEL SMELL NOTED IN PAX CABIN AS CREW ENTERED AIRCRAFT : RESOLUTION: GASOLINE SMELL WAS NOTED PRE TAXI. AUTO FUEL SMELL WAS ATTRIBUTED TO GAS POWERED HEAT CART 
- [SDR SCNA20230130050](https://openairdocs.org/sdr/SCNA20230130050), Jan 4, 2023: SIGHT GLASS. MISSING. L2 EMERGENCY SLIDE SIGHT GLASS MISSING. FOUND SIGHT GLASS AND RESECURED. REF AMM INTRODUCTION NR 2. OK FOR SERVICE
- [SDR SCNA20220718082](https://openairdocs.org/sdr/SCNA20220718082), Jul 16, 2022: SLIDE. FAILED INSP. DEFECT: 1L GIRT BAR LOOSE - SLIDE FELL OFF WHEN OPENING. RESOLUTION: GIRT BAR RESECURED REF AMM 25-66-00. OK FOR SERVICE.
- [SDR SCNA20210528059](https://openairdocs.org/sdr/SCNA20210528059), May 17, 2021: PANEL. DAMAGED. L/H L/E WING PANEL 521JB HAS TWO EA. DAMAGED FASTENER HOLES. REPAIRED 2 EA. DAMAGED FASTENER HOLES ON L/H L/E WING PANEL 521JB. IAW B737 SRM 57-41-01-2R-1 AND B
- [SDR SCNA20210528062](https://openairdocs.org/sdr/SCNA20210528062), May 14, 2021: SKIN. DENTED. LEFT HAND WING #3 SLAT UPPER SURFACE HAVE A DENT 51" FROM OUTBOARD AND 3" FROM TRAILING EDGE. REPAIRED DENT AT 51" FROM OUTBOARD AND 3" FROM TRAILING EDGE ON LE
- [SDR SCNA20210528061](https://openairdocs.org/sdr/SCNA20210528061), May 14, 2021: SKIN. DENTED. #5 SLAT UPPER SURFACE HAVE A DENT LOCATED 3.750" FROM TRAILING EDGE AND 3" FROM OUTBOARD EDGE. REPAIRED DENT LOCATED 3.75" FROM TRAILING EDGE AND 3" FROM OUTBOA
- [SDR SCNA20210528057](https://openairdocs.org/sdr/SCNA20210528057), May 14, 2021: PANEL. DAMAGED. R/H WING L/E PANEL 621QB HAS EXPOSED COMPOSITE ON EXTERIOR SURFACE. REPAIRED DAMAGED COMPOSITE ON EXTERIOR SURFACE ON R/H WING L/E PANEL 621QB IAW SRM 57-41-01-
- [SDR SCNA20210528060](https://openairdocs.org/sdr/SCNA20210528060), May 13, 2021: PANEL. DAMAGED. L/H L/E WING PANEL 521NB HAS SURFACE DAMAGE ON EXTERIOR SURFACE. REPAIRED SURFACE DAMAGE ON EXTERIOR SURFACE ON L/H L/E WING PANEL 521NB IAW SRM 57-41-01-2R-1 A
- [SDR SCNA20200605043](https://openairdocs.org/sdr/SCNA20200605043), Dec 27, 2019: SOLENOID. FAULTY. LEFT AFT OVERWING LIGHT ON TAKEOFF ROLL LOW SPEED REJECT LESS THAN 30KTS. REPLACED FLIGHT LOCK SOLENOID ON AFT LT OVERWING DOOR AND TESTED PER AMM 52-22-41. OK 

## 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 737-8KN aircraft: https://openairdocs.org/model/boeing-737-8kn/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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