# N7874B: 2004 Boeing 737-7Q8

- Status: Valid registration
- Airframe: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (registry code 1384418, 149 seats)
- Engine: [CFM International CFM56-7B24 series](https://openairdocs.org/engine/cfm-international-cfm56-7b24-series) (registry code 13044)
- Serial number: 29352
- Year built: 2004
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: June 29, 2016
- Certificate issued: December 16, 2022
- Expires: December 31, 2029
- Mode S code: AAAD6D
- Registered owner: [Southwest Airlines Co](https://openairdocs.org/faa-owner/SOUTHWEST%20AIRLINES%20CO)
- Location: [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas)
- Owner type: Corporation
- Owner's area on the map: 32.8326° N, 96.8491° W: Placed by OpenAirDocs at the center of ZIP code 75235, 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=7874B
- Page: https://openairdocs.org/aircraft/N7874B

From the FAA registry file of October 27, 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 CFM56-7B24 model are included.

## ADs that may apply (OpenAirDocs): 19 in force

### Matched by airframe (Boeing 737-7Q8)

None in force.

### Matched by engine (CFM International CFM56-7B24 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
- [AD 98-19-20](https://openairdocs.org/ad/98-19-20): Hydromechanical Unit · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 7 more. Effective Oct 7, 1998
- [AD 98-14-51](https://openairdocs.org/ad/98-14-51): Accessory Gearbox · CFM International CFM56-7B20, CFM56-7B20/2, CFM56-7B22 and 10 more. Effective Oct 1, 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 N7874B.

## FAA accident and incident reports

None matched to N7874B.

## Service difficulty reports (214, newest 50)

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 SWAA2026072767900](https://openairdocs.org/sdr/SWAA2026072767900), Jul 22, 2026: LIGHT. INOPERATIVE. R2 DOOR EXTERNAL EMERGENCY LIGHT IS INOPERATIVE, REMOVED AND REPLACED R2 DOOR EXTERNAL EMERGENCY LIGHT IAW AMM 33-51-04-960-801. OPS CHKD GOOD.
- [SDR SWAA2026071019517](https://openairdocs.org/sdr/SWAA2026071019517), Jul 8, 2026: LAMP. INOPERATIVE. R2 DOOR EXTERIOR EMERGENCY LIGHT INOPERATIVE. REPLACED THE LAMPS IAW AMM 33-51-04. OPS CHECKED GOOD.
- [SDR SWAA2026062515780](https://openairdocs.org/sdr/SWAA2026062515780), Jun 25, 2026: SEAT BACK. OUT OF ADJUST. PASSENGER CABIN SEAT 15D (EMERGENCY EXIT ROW) IS NOT SUPPOSED TO RECLINE. READJUSTED PASSENGER CABIN SEAT RECLINE 15D (EMERGENCY EXIT ROW) PER CMM 25-21-45.
- [SDR SWAA2026021770793](https://openairdocs.org/sdr/SWAA2026021770793), Feb 14, 2026: HANDLE. LOOSE. FO SIDE OVER WING EXIT DOOR PULL HANDLE CAME LOOSE. OK TO CONTINUE PER MEL 25-10-01 SP1B AUTH 305955, INSTALLED NEW HARDWARE IN RELEASE HANDLE PAN IAW MM 52-22-
- [SDR SWAA2026012964966](https://openairdocs.org/sdr/SWAA2026012964966), Jan 27, 2026: SMOKE DETECTOR. FALSE ACTIVATION. FWD LAVATORY SMOKE DETECTOR ACTIVATED IN CLIMB & DESCENT. RESET BOTH TIMES. NO EVIDENE OF SMOKE OR ODOR. OK TO CONT PER MEL 26-16-01, SP1B, AND SP3. R & R THE S
- [SDR SWAA2026011955701](https://openairdocs.org/sdr/SWAA2026011955701), Dec 26, 2025: PLATE. CRACKED. CRACKED CORRUGATED PLATE TRAILING EDGE IRSS 215 AT LT WING. REPLACED CORRUGATED PLATE TRAILING EDGE IRSS 215 AT LT WING IAW SRM 51-40-02; SRM 51-10-02 ITEM 9; D
- [SDR SWAA2026011955702](https://openairdocs.org/sdr/SWAA2026011955702), Dec 26, 2025: SUPPORT BRACKET. CRACKED. CRACK TRAILING EDGE FIXED PANEL SUPPORT BRACKET AT LEVEL ORSS 271 AT LT WING. REPLACED SUPPORT BRACKET LOC. TRAILING EDGE FIXED PANEL AT LEVEL ORSS 271 AT LT WI
- [SDR SWAA2026011555699](https://openairdocs.org/sdr/SWAA2026011555699), Dec 26, 2025: PLATE. NONE. CRACK CORRUGATED PLATE TRAILING EDGE LOCATED ORSS 241 AT LT WING. PERFORMED VISUAL INSPECTION ON CORRUGATED PLATE TRAILING EDGE LOCATED ORSS 241 AT LT WING AND 
- [SDR SWAA2026011555700](https://openairdocs.org/sdr/SWAA2026011555700), Dec 26, 2025: PLATE. CRACKED. CRACK CORRUGATED PLATE TRAILING EDGE ORSS 261 AT LT WING. REPLACED CORRUGATED PLATE TRAILING EDGE, ORSS 261 LT WING IAW SRM 51-10-02-0G-0, PARAGRAPH 9, SRM 51-4
- [SDR SWAA2026011555811](https://openairdocs.org/sdr/SWAA2026011555811), Dec 26, 2025: PLATE. CRACKED. CRACKED CORRUGATED PLATE, TRAILING EDGE IRSS 215 RT WING. REPLACED CORRUGATED PLATE, TRAILING EDGE, IRSS 215 RT WING IAW SRM 51-40-02, SRM 51-10-02, ITEM 9, DWG
- [SDR SWAA2026011455698](https://openairdocs.org/sdr/SWAA2026011455698), Dec 26, 2025: FRAME. CRACKED. CRACK FRAME, BS 727D BTW S8 - 9R. PERFORMED A REPAIR ON THE FRAME IAW EA 1-A53-12114.
- [SDR SWAA2026011955176](https://openairdocs.org/sdr/SWAA2026011955176), Dec 23, 2025: ACCESS PANEL. DAMAGED. ELONGATED HOLES ON ACCESS PANEL 661CB TRAILING EDGE AT RT WING. REPAIRED ACCESS PANEL 661CB IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10.
- [SDR SWAA2026011955272](https://openairdocs.org/sdr/SWAA2026011955272), Dec 23, 2025: ACCESS PANEL. DAMAGED. ELONGATED HOLE ACCESS PANEL 661BB AT RT WING 2025-759490<[01] TOOL USED ON STEP 11 ULTRASONIC FLAW DETECTOR P/N: EPOCH 600; S/N: 120357005; CAL DUE DATE: 20-JUN
- [SDR SWAA2026011954825](https://openairdocs.org/sdr/SWAA2026011954825), Dec 22, 2025: SKIN. DEBONDED. DEBONDED OB AFT FLAP INBOARD EDGE AT RT WING. PERFORMED INTERIM REPAIR AT OB AFT FLAP IB SIDE AT RT WING IAW SRM 57-53-01-2R-16, REPAIR 16, AND THE REPAIR REQUI
- [SDR SWAA2026011954389](https://openairdocs.org/sdr/SWAA2026011954389), Dec 21, 2025: PRESSURE DECK. CRACKED. CRACK INDICATION ON HORIZONTAL PRESSURE DECK WEB, RBL 41, BS 663. CRACK LENGTH 0.375 INCH. PERFORMED REPAIR ON HORIZONTAL PRESSURE DECK WEB LOCATED BTW RBL 30 T
- [SDR SWAA2026011954657](https://openairdocs.org/sdr/SWAA2026011954657), Dec 21, 2025: ACCESS PANEL. CRACKED. CRACKED BLADE ACCESS PANEL 343AT AT RT HORIZONTAL STAB. REPLACED BLADE ON ACCESS PANEL 343AT AT RT HORIZONTAL STAB IAW SRM 51-40-02-0G-0, AND DWG 186A3101, SHEE
- [SDR SWAA2026011654559](https://openairdocs.org/sdr/SWAA2026011654559), Dec 21, 2025: SUPPORT ANGLE. CRACKED. CRACKED SUPPORT ANGLE, FLOOR STRUCTURE, BS 695, BL 0 IN PAX CABIN. REPLACED THE SUPPORT ANGLE AND FASTENERS IAW SRM 51-40-02, AND DWG 273A9110, SHEET 6, REV A.
- [SDR SWAA2026011554557](https://openairdocs.org/sdr/SWAA2026011554557), Dec 21, 2025: CROSSBEAM. CRACKED. CRACK BRAKE PANEL FLOOR STRUCTURE BS540 AND BTW LBL24.82 TO BL0 AT PASSENGER CABIN. REPLACED BRAKE PANEL FLOOR STRUCTURE BS540 AND BTW LBL24.82 TO BL0 AT PASSEN
- [SDR SWAA2026011554556](https://openairdocs.org/sdr/SWAA2026011554556), Dec 21, 2025: CROSSBEAM. CRACKED. CRACKED BRAKE PANEL FLOOR STRUCTURE BS540 AND BTW RBL24.82 TO BL0 AT PASSENGER CABIN. REPLACED BRAKE PANEL FLOOR STRUCTURE BS540 AND BTW RBL24.82 TO BL0 AT PASS
- [SDR SWAA2026011954308](https://openairdocs.org/sdr/SWAA2026011954308), Dec 20, 2025: ACCESS PANEL. DAMAGED. ELONGATED HOLE ON ACCESS PANEL 561CB TRAILING EDGE AT LT WING. REPAIRED ACCESS PANEL 561CB TRAILING EDGE AT LT WING IAW SRM 51-70-04-2R-9 .REPAIR 9.
- [SDR SWAA2025042928301](https://openairdocs.org/sdr/SWAA2025042928301), Apr 25, 2025: PUMP. FAULTED. #1 ENG FAIL WITH UNCOMMANDED SHUT DOWN DURING TAXI IN.<[01] PERFORMED FIM 73-05 TASK 805; FOUND EEC 1 CODE FAULT 73-20811; CHIPS DETECTORS FOUND OK; FUEL FILTER
- [SDR SWAA2025013091194](https://openairdocs.org/sdr/SWAA2025013091194), Jan 30, 2025: CLAMP. LOOSE. PASSENGER CABIN FORWARD GALLEY MEGAPHONE IS NOT SECURE.<[01] ADJUSTED FWD GALLEY MEGAPHONE CLAMP PER AMM SIP.
- [SDR SWAA2025013091193](https://openairdocs.org/sdr/SWAA2025013091193), Jan 30, 2025: SEAT. OUT OF ADJUST. PASSENGER CABIN SEAT 11D RECLINES AND IS NOT SUPPOSED TO RECLINE AS IT IS IN AN EMERGENCY EXIT ROW. <[01] ADJUSTED 11D RECLINE CABLE HDROLCOK TO BE LOCKED OUT P
- [SDR SWAA2025013091201](https://openairdocs.org/sdr/SWAA2025013091201), Jan 30, 2025: GIRT BAR. DRAGGING. L2 DOOR SLIDE GIRT DRAGGING<[01]. REPACKED L2 DOOR SLIDE GIRT PER AMM 25-66-01.
- [SDR SWAA2025013091202](https://openairdocs.org/sdr/SWAA2025013091202), Jan 30, 2025: GIRT BAR. DRAGGING. R2 DOOR SLIDE GIRT DRAGGING<[01] REPACKED R2 DOOR SLIDE GIRT PER AMM 25-66-01.
- [SDR SWAA2024112671077](https://openairdocs.org/sdr/SWAA2024112671077), Nov 24, 2024: SLIDE. OUT OF POSITION. AFT ENTRY SLIDE FELL OUT OF CASE<[01] REINSTALLED AFT ENTRY DOOR ESCAPE SLIDE PER MT 725-61-06.
- [SDR SWAA2024072516320](https://openairdocs.org/sdr/SWAA2024072516320), Jul 24, 2024: SLIDE. LOW PRESSURE. FWD ENTRY DOOR ESCAPE SLIDE PRESSURE LOW.<[01] C/W MT 725-61-06
- [SDR SWAA2024050782989](https://openairdocs.org/sdr/SWAA2024050782989), May 6, 2024: SLIDE. LOW PRESSURE. R2 SLIDE GAUGE INDICATING IN THE RED<[01] REMOVED AND REPLACED AFT SERVICE EMERGENCY ESCAPE SLIDE PER AMM 25-66-01.
- [SDR SWAA2024041669814](https://openairdocs.org/sdr/SWAA2024041669814), Apr 3, 2024: SIGN. INOPERATIVE. RH OVERWING EXIT DOOR EMERGENCY EXIT SIGNS. INOPERATIVE.<[01] RESECURED LOOSE CONNECTOR OF THE OVERWING EXIT DOOR EMERGENCY SIGN PER REF. AMM 33-51-04-960-801.P
- [SDR SWAA2024041669454](https://openairdocs.org/sdr/SWAA2024041669454), Apr 1, 2024: BATTERY PACK. DEFECTIVE. EMERGENCY BATTERY PACK M1674 DEFECTIVE; ALL LIGHT ASSOCIATED WITH THIS BATTERY PACK; OFF.<[01] REPLACED BATTEY PACK M1674 AS PER REFERENCE AMM 33-51-06-960-805.
- [SDR SWAA2024041667969](https://openairdocs.org/sdr/SWAA2024041667969), Mar 11, 2024: PANEL. DELAMINATED. LEFT WING LOWER LEADING-EDGE PANEL#521DB HAS DELAMINATION AT ONE CORNER. APPLIED PERMANEMT REPAIR ON DAMAGE AREA AS MARKED ON PANEL #521DB IAW SRM 51-70-04-2R-1
- [SDR SWAA2024041661378](https://openairdocs.org/sdr/SWAA2024041661378), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT LEFT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 727B & 727, WL155.5, LBL 21. THE CHANNEL IS GOING TO BE REPLACED
- [SDR SWAA2024041661379](https://openairdocs.org/sdr/SWAA2024041661379), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT RIGHT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 737B & 727, WL155.5, RBL 21. FAULT RESOLVED ON TTG8Q00S1KR6.
- [SDR SWAA2024041661380](https://openairdocs.org/sdr/SWAA2024041661380), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT LEFT SIDE, FLOOR STRUCTURE Z CHANNEL HAD EVIDENCE OF CORROSION BETWEEN BS 727C & 727B, WL155.5, LBL 21. THE CHANNEL IS GOING TO BE REPLACE
- [SDR SWAA2024041661381](https://openairdocs.org/sdr/SWAA2024041661381), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT RIGHT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 727C & 727B, WL155.5, RBL 21. FAULT RESOLVED ON TTG8Q00S1KR6.
- [SDR SWAA2024041661382](https://openairdocs.org/sdr/SWAA2024041661382), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT LEFT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 727D & 727C, WL155.5, LBL 21. THE CHANNEL IS GOING TO BE REPLACE
- [SDR SWAA2024041661383](https://openairdocs.org/sdr/SWAA2024041661383), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT RIGHT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 727D & 727C, WL155.5, RBL 21. FAULT RESOLVED ON TTG8Q00S1KR6.
- [SDR SWAA2024041661384](https://openairdocs.org/sdr/SWAA2024041661384), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT LEFT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 727E - 727D, WL155.5, LBL21. R & R THE CHANNEL IAW SRM 51-40-02-
- [SDR SWAA2024041661385](https://openairdocs.org/sdr/SWAA2024041661385), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT RIGHT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 727E & 727D, WL155.5, RBL21. FAULT RESOLVED ON TTG8Q00S1KR6.
- [SDR SWAA2024041661386](https://openairdocs.org/sdr/SWAA2024041661386), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT LEFT SIDE. FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 767 & 727E, WL155.5, LBL 21. THE Z CHANNEL IS GOING TO BE REPLAC
- [SDR SWAA2024041661387](https://openairdocs.org/sdr/SWAA2024041661387), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT RIGHT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 767 & 727E, WL155.5, RBL 21. INSTALLED A NEW CHANNEL IAW SRM 51
- [SDR SWAA2024041661389](https://openairdocs.org/sdr/SWAA2024041661389), Mar 10, 2024: CHANNEL. CORRODED. AFT CARGO COMPARTMENT LEFT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 807 & 767 WL155.5 LBL21. THE Z CHANNEL IS GOING TO BE REPLACED I
- [SDR SWAA2024041661390](https://openairdocs.org/sdr/SWAA2024041661390), Mar 10, 2024: SHIELD. CORRODED. AFT CARGO COMPARTMENT RIGHT SIDE, FLOOR STRUCTURE Z CHANNEL HAS EVIDENCE OF CORROSION BETWEEN BS 787 AND 767, WL155.5, RBL21. R & R THE SHIELD IAW SRM 51-40-02-
- [SDR SWAA2024041661376](https://openairdocs.org/sdr/SWAA2024041661376), Mar 9, 2024: ATTACH ANGLE. MISSING. FWD CARGO AFT BULKHEAD SUPPORT STRUCTURE, BS 500D, STR 19R HAS AFT ATTACHED ANGLE MISSING. INSTALLED A NEW AFT ATTACHED ANGLE AT FWD CARGO AFT BULKHEAD SUPPORT 
- [SDR SWAA2024041660508](https://openairdocs.org/sdr/SWAA2024041660508), Mar 7, 2024: COVER. TORN. FORWARD GALLEY R1 DOOR GIRT BAR COVER TORN. REMOVED AND INSTALLED THE R1 SLIDE WILL BE ACCOMPLISHED ON T/C REF SA-M/MT 725-61-06.
- [SDR SWAA2024041660522](https://openairdocs.org/sdr/SWAA2024041660522), Mar 7, 2024: SKIN. CRACKED. R/W MOVEABLE SLAT NO-7 L/E NOSE SKIN ACTUATOR ATTACHED RIB APPEAR CRACKED @ FASTENER HEADS MKD DOT<[01] ACCOMPLISHED PERMANENT REPAIR OF DAMAGE FOUND AT RT WING
- [SDR SWAA2024041260509](https://openairdocs.org/sdr/SWAA2024041260509), Mar 7, 2024: FLOOR PANEL. DELAMINATED. CABIN FLOOR PANEL #231XF DELAMINATED<[01] RECEIVED NEW PANEL 231XF ; THIS PANEL WILL BE INSTALL ON FAULT # TTG8Q00RFZ04;[02] VERIFIED STEP 1
- [SDR SWAA2024041260512](https://openairdocs.org/sdr/SWAA2024041260512), Mar 7, 2024: FLOOR PANEL. DELAMINATED. CABIN FLOOR PANEL #231ZF DELAMINATED<[01] RECEIVED NEW FLOOR PANEL 231ZF ; THIS PANEL WILL BE INSTALL ON FAULT TTG8Q00RFYXX
- [SDR SWAA2024041260513](https://openairdocs.org/sdr/SWAA2024041260513), Mar 7, 2024: FLOOR PANEL. DELAMINATED. CABIN FLOOR PANEL #241DF DELAMINATED.<[01] RECEIVED NEW PANEL 241DF ; THIS PANEL WILL BE INSTALL ON FAULT # TTG8Q00RFYUK;[02] VERIFIED STEP 1.
- [SDR SWAA2024041260514](https://openairdocs.org/sdr/SWAA2024041260514), Mar 7, 2024: FLOOR PANEL. DELAMINATED. CABIN FLOOR PANEL #241AF DELAMINATED<[01] RECEIVED NEW FLOOR PANEL 241AF ; THIS PANEL WILL BE INSTALL ON FAULT # TTG8Q00RFYUT;[02] VERIFIED STEP 1.

All 214: https://openairdocs.org/aircraft/N7874B/reports.md

## 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 CFM56-7B24 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

## Earlier aircraft with N7874B

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N7874B before.

- [Cancelled 1974-04-24](https://openairdocs.org/deregistered/N7874B-1974-04-24): Umbaugh R72, S/N 215. Owner: [Butts Clifford B](https://openairdocs.org/faa-owner/BUTTS%20CLIFFORD%20B), [Ft Lauderdale, FL](https://openairdocs.org/faa-place/FL/Ft%20Lauderdale)

## Related

- Other Boeing 737-7Q8 aircraft: https://openairdocs.org/model/boeing-737-7q8/aircraft.md
- The CFM International CFM56-7B24 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b24-series.md

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