# N958DZ: 2014 Boeing 737-9GPER - Status: Valid registration - Airframe: [Boeing 737-9GPER](https://openairdocs.org/model/boeing-737-9gper) (registry code 13844FN, 191 seats) - Engine: [CFM International CFM56-7B27E/B series](https://openairdocs.org/engine/cfm-international-cfm56-7b27e-b-series) (registry code 13800) - Serial number: 39823 - Year built: 2014 - Type: Fixed wing multi engine - Engine type: Turbo-fan - Airworthiness: Standard, transport - Airworthiness date: March 11, 2023 - Certificate issued: December 11, 2021 - Expires: December 31, 2028 - Mode S code: AD52C2 - Registered owner: [Delta Air Lines Inc](https://openairdocs.org/faa-owner/DELTA%20AIR%20LINES%20INC) - Location: [Atlanta, GA](https://openairdocs.org/faa-place/GA/Atlanta) - Owner type: Corporation - Owner's area on the map: 33.6604° N, 84.3865° W: Placed by OpenAirDocs at the center of ZIP code 30354, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=958DZ - Page: https://openairdocs.org/aircraft/N958DZ 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 CFM56-7B27E/B model are included. ## ADs that may apply (OpenAirDocs): 6 in force ### Matched by airframe (Boeing 737-9GPER) None in force. ### Matched by engine (CFM International CFM56-7B27E/B 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 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 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 ### 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 ## NTSB investigations None matched to N958DZ. ## FAA accident and incident reports None matched to N958DZ. ## Service difficulty reports (6) 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 DALA2026041602431](https://openairdocs.org/sdr/DALA2026041602431), Oct 17, 2025: SKIN. DAMAGED. COMPOSITE PANEL ON RIGHT CORNER OF OUTBOARD FLAP ON LEFT WING FLEW OFF ON TAKEOFF. R/R LH OTBD FLAP AFT PER B737 AMM 27-51. OPS CHK GOOD. (LOG 7883440 - AIRCRAF - [SDR DALA2025100707300](https://openairdocs.org/sdr/DALA2025100707300), Oct 6, 2025: BATTERY PACK. INOPERATIVE. (LOG 7595094) CEILING EMERGENCY LIGHTS AT ROW 3,13, AND 16 CBA AND FWD LT EXIT DOOR EXTERIOR INOP. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY REF. B737 AMM 33 - [SDR DALA2025071705382](https://openairdocs.org/sdr/DALA2025071705382), Jul 13, 2025: LIGHT. MISSING. EMERGENCY FLOOR LIGHTING DAMAGED OR INOPERATIVE. REPLACED MISSING PATHWAY LIGHTING. REF B737 AMM 33-52. - [SDR DALA2025022701524](https://openairdocs.org/sdr/DALA2025022701524), Feb 24, 2025: BATTERY PACK. INOPERATIVE. (LOG 6782199) FWD CABIN RT EMERGENCY AISLE LIGHTS INOP. REPLACED POWER SUPPLY M1676 BATTERY (LOCATED AT SEAT 12F FLOOR GRILL). OPS CHECK OF EMERGENCY LIGHTS AT - [SDR DALA2025012100492](https://openairdocs.org/sdr/DALA2025012100492), Jan 18, 2025: BATTERY PACK. NO TEST. (LOG 6782102) FOUND AFT OVERWING EXIT LIGHTS INOP AT INTERIOR SIDEWALLS. REMOVED AND REPLACED BATTERY PACK AT LOCATION M169 IAW B737 AMM 33-51. OPS CHECKS GOOD. - [SDR DALA2023091207461](https://openairdocs.org/sdr/DALA2023091207461), Sep 10, 2023: BATTERY PACK. INOPERATIVE. (LOG 4567877) ROW 29 EXIT SIGNS NOT ILLUMINATING. R&R BATTERY PACK AT M2626 IAW B737 AMM 33-51. OPS CHECK GOOD. ## STCs that may be installed (OpenAirDocs) (1) 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 CFM56-7B27E/B series) - [STC SE04840NY](https://openairdocs.org/stc/SE04840NY): Installation of HarcoSemco Exhaust Gas Temperature (EGT) Electrical Harnesses in CFM56-7 engine. Kilroy Aviation LLC. Lists CFM56-7B27E/B1 ## Related - Other Boeing 737-9GPER aircraft: https://openairdocs.org/model/boeing-737-9gper/aircraft.md - The CFM International CFM56-7B27E/B series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b27e-b-series.md --- 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.