# N948DZ: 2013 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: 38731
- Year built: 2013
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 3, 2023
- Certificate issued: May 7, 2022
- Expires: May 31, 2029
- Mode S code: AD2B43
- 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=948DZ
- Page: https://openairdocs.org/aircraft/N948DZ

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 N948DZ.

## FAA accident and incident reports

None matched to N948DZ.

## Service difficulty reports (32)

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 DALA2026042902722](https://openairdocs.org/sdr/DALA2026042902722), Apr 26, 2026: UNKNOWN. SMOKE. SHIP 3948 -FUME/DE- DECLARED EMERGENCY DUE TO SMOKE/ODOR IN FLIGHT DECK DURING CLIMB. CORRECTIVE ACTION: INSPECTED ENGINES, PACKS AND EQUIPMENT BAYS WITH NO FIN
- [SDR DALA2025100307200](https://openairdocs.org/sdr/DALA2025100307200), Oct 2, 2025: PUMP. OVERHEATED. (LOG 5659129) SYS A ELECT HYD PUMP OVERHEAT LT ON WITH ELECT FUMES IN COCKPIT. TURNED ELECT HYD PUMP OFF + FUMES DISSAPATED. FOUND HYD PUMP A CONNECTOR DAMAGED 
- [SDR DALA2025050503441](https://openairdocs.org/sdr/DALA2025050503441), May 4, 2025: CONTROLLER. INOPERATIVE. SHIP 3948 -PRESS/DE- DECLARED AN EMERGENCY DUE TO CABIN ALTITUDE WARNING PRIOR TO DESCENT WITH LT PACK ON MEL. CORRECTIVE ACTION: REPLACED #2 PACK ZONE TEMP CON
- [SDR DALA2025032402176](https://openairdocs.org/sdr/DALA2025032402176), Mar 20, 2025: BLEED AIR SYS. TRIPPED. SHIP 3948 -ATB- RETURNED ATL DUE TO RT BLEED TRIP AND UNABLE TO MAINTAIN PRESSURIZATION WITH LT PACK ON MEL. CORRECTIVE ACTION: REPLACED LT ACM AND RT BLEED AIR
- [SDR DALA2024111911064](https://openairdocs.org/sdr/DALA2024111911064), Nov 15, 2024: LIGHT. MISSING. (LOG 6622906) TWO SECTIONS OF EMERGENCY ESCAPE PATH PHOTOLUMINESCENT STRIP MISSING - 9" AT 17C & 6" AT 18D. R/R DAMAGED SECTIONS OF EMERGENCY ESCAPE PATH LIGHTI
- [SDR DALA2024080507777](https://openairdocs.org/sdr/DALA2024080507777), Aug 1, 2024: UNKNOWN. DAMAGED. (LOG 6207922) WHILE WORKING INBD STAB TRIM WRITE UP FOUND DAMAGE. C/W ERA 619788-14 REV. ORIG.
- [SDR DALA2024080107683](https://openairdocs.org/sdr/DALA2024080107683), Jul 31, 2024: SKIN. GOUGED. (LOG 0476998) FUSELAGE SECTION 48 SKIN BS 1088-1156 S-4R & S-6R GOUGE. REPAIRED PER ERA 619788-14.
- [SDR DALA2024072907583](https://openairdocs.org/sdr/DALA2024072907583), Jul 28, 2024: MOTOR. INOPERATIVE. SHIP 3948 -ATB- DUE TO STABILIZER TRIM ELECTRICALLY INOPERATIVE. CORRECTIVE ACTION: REPLACED STABILIZER TRIM MOTOR. OPS CHECK NORMAL. MAINTENANCE STILL IN PROGR
- [SDR DALA2024032503729](https://openairdocs.org/sdr/DALA2024032503729), Mar 21, 2024: CHARGER. INOPERATIVE. (LOG 5305291) FOUND RT FOWARD EMERENCY ESCAPE SLIDE LIGHT INOP DURING SERVICE CK. R/R CHARGER ASSY AND BATTERY PACK DUE TO NO POWER AT ESCAPE SLIDE TERMINALS PE
- [SDR DALA2024022602669](https://openairdocs.org/sdr/DALA2024022602669), Feb 21, 2024: POWER SUPPLY. FAULTED. (LOG 5305202) AROUND ROW 30 TWO BRIGHT WHITE EMERGENCY LIGHTS ARE FLICKERING ON AND OFF DURING FLIGHT. LIGHTS ARE AT ROWS 28 AND 32 OVERHEAD, RT SIDE. REPLACED 
- [SDR DALA2024022202513](https://openairdocs.org/sdr/DALA2024022202513), Feb 20, 2024: BATTERY PACK. MALFUNCTIONED. (LOG 5393596) F/A REPORTS AFT OVHD EMERGENCY LIGHT FLICKERING. R/R'D BATTERY PACK & PWR SUPPLY M1672 PER B737 AMM 33-51. OPS CHKS NORMAL.
- [SDR DALA2023082306871](https://openairdocs.org/sdr/DALA2023082306871), Aug 23, 2023: UNKNOWN. UNKNOWN. SHIP 3948 -UFC/DE- DECLARED EMERGENCY DUE TO FLAP LOCKOUT AT 15 DEGREES ON APPROACH ATL. CORRECTIVE ACTION: MAINTENANCE FOUND NUMBER 1 AND 8 FLAP TRANS DPI POPP
- [SDR DALA2023060904700](https://openairdocs.org/sdr/DALA2023060904700), Jun 8, 2023: UNKNOWN. UNKNOWN. SHIP 3948 -PRESS- DUE TO CABIN ALTITUDE ALERT WHILE CLIMBING THROUGH FL240. DESCENDED TO FL100 AND FLIGHT CONTINUED. CORRECTIVE ACTION: MAINTENANCE FOUND APU BL
- [SDR DALA2023060504493](https://openairdocs.org/sdr/DALA2023060504493), May 21, 2023: UNKNOWN. UNKNOWN. (LOG 2777378) LH WING #4 SLAT LOWER SURFACE AND UPPER SURFACE OF TE WEDGE HAS AREA WITH EVIDENCE OF CORROSION 4" IB OF SLAT ANTI ICE TUBE. ACCOMPLISHED REPAIR O
- [SDR DALA2023060504492](https://openairdocs.org/sdr/DALA2023060504492), May 21, 2023: UNKNOWN. UNKNOWN. (LOG 2777364) LH WING #4 SLAT LOWER SURFACE AND UPPER SURFACE OF TE WEDGE HAS AREA WITH EVIDENCE OF CORROSION 10" IB OF SLAT OB AUX TRACK. ACCOMPLISHED REPAIR O
- [SDR DALA2023060504491](https://openairdocs.org/sdr/DALA2023060504491), May 20, 2023: UNKNOWN. UNKNOWN. (LOG 2776300) RH WING #6 SLAT LOWER SURFACE AND UPPER SURFACE OF TE WEDGE HAS AREA WITH EVIDENCE OF CORROSION AT CENTER OF SLAT. ACCOMPLISHED REPAIR ON RIGHT WI
- [SDR DALA2023060504490](https://openairdocs.org/sdr/DALA2023060504490), May 20, 2023: UNKNOWN. UNKNOWN. (LOG 2776213) RH WING #5 SLAT LOWER SURFACE AND UPPER SURFACE OF TE WEDGE HAS SEVERAL AREAS WITH EVIDENCE OF CORROSION. MARKED. ACCOMPLISHED REPAIR ON RIGHT WIN
- [SDR DALA2023060504489](https://openairdocs.org/sdr/DALA2023060504489), May 20, 2023: UNKNOWN. UNKNOWN. (LOG 2776196) LH WING #2 SLAT LOWER SURFACE AND UPPER SURFACE OF TE WEDGE HAS AREA WITH EVIDENCE OF CORROSION 10" OB OF SLAT ACTUATOR. ACCOMPLISHED REPAIR ON LE
- [SDR DALA2023060504488](https://openairdocs.org/sdr/DALA2023060504488), May 20, 2023: UNKNOWN. UNKNOWN. (LOG 2776146) LH WING #3 SLAT LOWER SURFACE AND UPPER SURFACE OF TE WEDGE HAS AREA WITH EVIDENCE OF CORROSION JUST ABOVE OB AUX TRACK. ACCOMPLISHED REPAIR ON LE
- [SDR DALA2023052204079](https://openairdocs.org/sdr/DALA2023052204079), May 18, 2023: PANEL. CORRODED. (LOG 2773704) DURING INSPECTION FOUND FORWARD CARGO COMPARTMENT L/H FLOOR TRANSITION PANEL HAS AREAS OF CORROSION ON UPPER SURFACE BETWEEN BS 500D AND BS 500L. 
- [SDR DALA2023051904021](https://openairdocs.org/sdr/DALA2023051904021), May 16, 2023: TRANSITION PANEL. CORRODED. (LOG 2770491) DURING INSPECTION FOUND AFT CARGO COMP LT TRANSITION PANEL HAS CORROSION MULTIPLE PLACES F.S 727J TO F.S 827. LOCATED AND DRILLED AND ASSEMBLED NE
- [SDR DALA2023051904020](https://openairdocs.org/sdr/DALA2023051904020), May 16, 2023: TRANSITION PANEL. CORRODED. (LOG 2770476) AFT CARGO COMPT RT TRANSITION PANEL HAS CORROSION MULTIPLE PLASES F.S 727C + 11 TO F.S 727I + 8. DOT 2-044. DRILLED AND ASSEMBLED NEW TRANSITION P
- [SDR DALA2023050503507](https://openairdocs.org/sdr/DALA2023050503507), May 4, 2023: UNKNOWN. UNKNOWN. (LOG 2751708) DURING CHECK AT FLIGHTSTAR (VQQ), WHILE PERFORMING INSTRUCTIONS PER TASK CARD 2020-9001, A DENT WAS FOUND AFFECTING THE EXTERNAL PANEL SKIN P/N 14
- [SDR DALA2023050403481](https://openairdocs.org/sdr/DALA2023050403481), May 1, 2023: PANEL. CORRODED. (LOG 2747031) DURING INSPECTION FOUND AFT CARGO COMPT RT TRANISTION PANEL HAS CORROSION MULTIPLE PLACES F.S 727I+8" TO F.S 767. DOT 2-045. FABRICATED REPLACEMEN
- [SDR DALA2023042703303](https://openairdocs.org/sdr/DALA2023042703303), Apr 27, 2023: SEAT TRACK. GOUGED. (LOG 2739907) DURING INSPECTION FOUND MAIN CABIN LBL 45 SEAT TRACK HAS SMALL GOUGES ON UPPER SURFACE AT BS 380. DOT 65. REMOVED AND REPLACED MAIN CABIN SEAT TRA
- [SDR DALA2023062605117](https://openairdocs.org/sdr/DALA2023062605117), Apr 25, 2023: UNKNOWN. UNKNOWN. (LOG 2737556) RIGHT ELEVATOR HINGE BEARING #8 HAS SIGHS OF CORROSION. REMOVED AND REPLACED RH #8 ELEVATOR HINGE FITTING ASSEMBLY IAW B737 AMM 20-50-11.
- [SDR DALA2023042703294](https://openairdocs.org/sdr/DALA2023042703294), Apr 25, 2023: UNKNOWN. CRACKED. (LOG 2736888) DURING INSPECTION FOUND CABIN FLOOR SUPPORT STRUCTURE AT STA 540 LBL 1 CRACKED. REMOVED AND REPLACED CABIN FLOOR SUPPORT STRUCTURE AT STA 540 LBL 
- [SDR DALA2023050403482](https://openairdocs.org/sdr/DALA2023050403482), Apr 13, 2023: SLAT. CORRODED. (LOG 2718077) DURING INSPECTION FOUND RH WING #7 SLAT LOWER SURFACE AND UPPER SURFACE OF THE TE WEDGE HAS SEVERAL AREAS WITH EVIDENCE OF CORROSION. REMOVED AND 
- [SDR DALA2023041302913](https://openairdocs.org/sdr/DALA2023041302913), Apr 12, 2023: UNKNOWN. UNKNOWN. (LOG 2716207) DURING INSPECTION FOUND RH WING UPPER STR U8 POSSIBLE CRACK OB OF RIB 19 APPROX WSTA 572. ACCOMPLISHED REPAIR ON RH WING UPPER STR U8 OB OF RIB 19
- [SDR DALA2023041202878](https://openairdocs.org/sdr/DALA2023041202878), Apr 11, 2023: UNKNOWN. UNKNOWN. (LOG 2714736) DURING INSPECTION FOUND FORWARD CARGO COMPARTMENT RH FLOOR TRANSITION PANEL HAS AREAS OF CORROSION ON UPPER SURFACE BETWEEN BS 500C AND BS 500L. R
- [SDR DALA2023052504182](https://openairdocs.org/sdr/DALA2023052504182), Feb 16, 2023: UNKNOWN. UNKNOWN. (LOG 2631974) ACCOMPLISHED VA 97742 FOR GALLEY MODIFICATIONS TO COVERT LION AIR TO DELTA STANDARDS IN CONJUNCTION WITH AA 2530-01593.
- [SDR DALA2023061204737](https://openairdocs.org/sdr/DALA2023061204737), Nov 7, 2022: UNKNOWN. UNKNOWN. (LOG 2486796) PREVIOUS OPERATOR FOUND GROUND DAMAGE TO THE FUSELAGE SKIN STA 787 - 708 STR 23L-24L. BOEING WAS CONTACTED AND A PERMANENT REPAIR WAS PERFORMED. A

## 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

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