# N7852A: 2006 Boeing 737-71B

- Status: Valid registration
- Airframe: [Boeing 737-71B](https://openairdocs.org/model/boeing-737-71b) (registry code 13844FH, 149 seats)
- Engine: [CFM International CFM56-7B24 series](https://openairdocs.org/engine/cfm-international-cfm56-7b24-series) (registry code 13044)
- Serial number: 29371
- Year built: 2006
- Type: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 21, 2017
- Certificate issued: December 16, 2022
- Expires: December 31, 2029
- Mode S code: AAA5B8
- 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=7852A
- Page: https://openairdocs.org/aircraft/N7852A

From the FAA registry file of October 29, 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 737-71B)

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 N7852A.

## FAA accident and incident reports

None matched to N7852A.

## Service difficulty reports (220, 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 SWAA2026062514979](https://openairdocs.org/sdr/SWAA2026062514979), Jun 23, 2026: LIGHT. DAMAGED. PASSENGER CABIN SEAT ROW 27ABC PHOTOLUMINESCENT STRIP HAS MOISTURE UNDER LENS. R & R CABIN PHOTO LUMINESCENT STRIP PER AMM 33-51-15.
- [SDR SWAA2026040785726](https://openairdocs.org/sdr/SWAA2026040785726), Apr 1, 2026: COVER. OUT OF ADJUST. COVER MISSING ON EMERGENCY LIGHT SWITCH NEAR AFT JUMPSEAT. SECURED COVER ON EMER LIGHT SWITCH PER SIP.
- [SDR SWAA2025102024700](https://openairdocs.org/sdr/SWAA2025102024700), Oct 16, 2025: DOOR. CRACKED. LEFT MAIN LANDING GEAR CENTER DOOR HAS CRACK. REMOVED LT MLG CENTER & INNER DOOR IAW AMM 32-13-11, OK TO CONTINUE SERVICE.
- [SDR SWAA2025071792178](https://openairdocs.org/sdr/SWAA2025071792178), Jul 16, 2025: BRACKET. LOOSE. ENTRY GIRT BAR ATTACHMENT LOOSE. ADJUSTED GIRT BAR ATTACH BRACKET PER SIP; OPS CK GOOD.
- [SDR SWAA2025052774487](https://openairdocs.org/sdr/SWAA2025052774487), May 23, 2025: SLEEVE. MISSING. AFT LEFT GIRTBAR DISARMED ON LANDING MISSING STOPPER/ STOP SLEEVE.<[01] INSTALLED NEW GIRT BAR STOP SLEEVE PER AMM 25-66-01
- [SDR SWAA2025033109875](https://openairdocs.org/sdr/SWAA2025033109875), Mar 27, 2025: SEAL. CRACKED. R/H HORIZONTAL STABILIZER FWD UPPER SLIDING SEAL CRACKED.<[01] 01 - REMOVED AND REPLACED PER [AMM 53-31-31-400-802-NG (STABILIZER-TO-BODY UPPER FRONT SPAR SLIDI
- [SDR SWAA2025032709877](https://openairdocs.org/sdr/SWAA2025032709877), Mar 27, 2025: BATTERY PACK. NO TEST. EMERGENCY LIGHT BATTERIES FAILED CAPACITY TEST AT LOCATIONS M1674; M1675; M1669; M1672<[01] REMOVED AND REPLACED EMERGENCY LIGHT BASE AND BATTERY AT M1674; AND 
- [SDR SWAA2025032408181](https://openairdocs.org/sdr/SWAA2025032408181), Mar 20, 2025: ENGINE. SURGES. DURING DESCENT NR 2 ENGINE BEGAN SHAKING AND MAKING NOISES AND N1 DROPPED TO 41% N1. RAN ENGINE LIMITS /SURGE/STALL QRH AFTER SEVERAL MOMENTS, NR 2 ENGINE OPERA
- [SDR SWAA2024100142360](https://openairdocs.org/sdr/SWAA2024100142360), Sep 27, 2024: BULB. INOPERATIVE. FWD ENTRY DOOR EMERGENCY EXIT LIGHT ON AFT FACE OF FWD LAV HAS 1EA INOP BULB<[01] RELAMPED AND PERFORMED GOOD TEST OF FWD ENTRY DOOR EMERGENCY EXIT LIGHT ON AFT
- [SDR SWAA2024100142359](https://openairdocs.org/sdr/SWAA2024100142359), Sep 27, 2024: BULB. INOPERATIVE. EMERGENCY EXIT LIGHT ABOVE SEAT ROW 18ABC HAS 1EA INOP BULB<[01] REPLACED LAMPS AND PERFORMED GOOD TEST OF EMERGENCY EXIT SIGN ON CEILING LOCATED ABOVE SEAT ROW
- [SDR SWAA2024100142353](https://openairdocs.org/sdr/SWAA2024100142353), Sep 26, 2024: LIGHT. INOPERATIVE. R/H FWD EMERGENCY ESCAPE SLIDE LIGHT INOP<[01] RELAMPED R/H FWD EMERGENCY ESCAPE SLIDE LIGHT AND PERFORMED GOOD TEST IAW AMM 33-51-04-960-801;[02] INDEPENDENT I
- [SDR SWAA2024100142354](https://openairdocs.org/sdr/SWAA2024100142354), Sep 26, 2024: BATTERY PACK. INOPERATIVE. EMERGENCY LIGHT IN FWD COVE CEILING PANEL INOP<[01] REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK M1674 AND PERFORMED SATISFACTORY INSTALLATION TEST PER AMM
- [SDR SWAA2024100142352](https://openairdocs.org/sdr/SWAA2024100142352), Sep 26, 2024: LIGHT. INOPERATIVE. R/H AND L/H AFT ESCAPE SLIDE LIGHTS INOP<[01] RELAMPED LEFT AFT SLIDE LIGHT AND TESTED PER AMM 33-51-04-960-801; NO DEFECTS NOTED.<BR>TROUBLESHOT RIGHT AFT SLID
- [SDR SWAA2024100142355](https://openairdocs.org/sdr/SWAA2024100142355), Sep 26, 2024: LAMP. INOPERATIVE. L/H OVERWING HATCH FWD AND AFT EMERGENCY LIGHT LOCATORS HAVE INOP LAMPS<[01] RELAMPED L/H OWE FWD AND AFT EMERGENCY EXIT SIGNS AND PERFORMED SATISFACTORY OPERAT
- [SDR SWAA2024100142356](https://openairdocs.org/sdr/SWAA2024100142356), Sep 26, 2024: SLIDE. OUT OF ADJUST. AED ESCAPE SLIDE SHROUD NOT PROPPERLY INSTALLED; LOWER CATCH POINT NOT PROPERLY ENGAGED.<[01] FOUND FWD SCREW LOOSE AT AED ESCAPE SLIDE SHROUD AND TIGHTENED PER
- [SDR SWAA2024100141851](https://openairdocs.org/sdr/SWAA2024100141851), Sep 25, 2024: BATTERY PACK. FAILED. EMERGENCY BATTERY PACK M1668 AND M1669 FAIL TEST EMERGENCY BATTERY PACK M1668 AND M1669 FAIL TEST<[01] REMOVED; REPLACED; AND PERFORMED GOOD TEST OF EMERGENCY L
- [SDR SWAA2024100140142](https://openairdocs.org/sdr/SWAA2024100140142), Sep 21, 2024: FLOOR PANEL. CRACKED. AFT CARGO BAY FLOOR PNL 140DF CAP STRIP CRACKED BS 947<[01] RECEIVED NEW CAP STRIP; CAP STRIP WILL BE INSTALLED WITH FLOOR PNL ON <BR>TTG8Q00U8AF2;[02] VERIFIED
- [SDR SWAA2024100140143](https://openairdocs.org/sdr/SWAA2024100140143), Sep 21, 2024: FLOOR PANEL. CRACKED. AFT CARGO BAY FLOOR PNL 140DF CAP STRIP CRACKED BETWEEN BS 887 - BS 947<[01] RECEIVED NEW CAP STRIP; CAP STRIP WILL BE INSTALL WITH FLOOR PNL ON <BR>TTG8Q00U8AF
- [SDR SWAA2024100139386](https://openairdocs.org/sdr/SWAA2024100139386), Sep 19, 2024: LIGHT. BROKEN. AFT ENTRY LOWER CEILING PANEL EMERGENCY EXIT LIGHT ATTACH POINTS BROKEN<[01] REMOVED AND REPLACED AFT ENTRY LOWER CEILING PANEL EMERGENCY EXIT LIGHT IAW SRM 51-
- [SDR SWAA2024100238674](https://openairdocs.org/sdr/SWAA2024100238674), Sep 17, 2024: TEE FITTING. CORRODED. CORROSION ON ACB TEE ASSY STA 772; LBL 21-RBL 21; WL 156.<[01] UPDATED TABLE;[02] ENTERED STEPS 2-3 IN ERROR.;[03] INCORRECT LABOR ROW WAS SELECTED.;[04] REPLAC
- [SDR SWAA2024100236984](https://openairdocs.org/sdr/SWAA2024100236984), Sep 12, 2024: SCUFF PLATE. CRACKED. AFT CARGO BAY; AFT CORNER SCUFFPLATE IS CRACKED.<[01] WELD THE CORNER SCUFF PLATE USING ER4043 FILLER ROD PER SRM 53-60-15-2R-1 PARA 4.B.(4) REFER TO BAC5975<BR
- [SDR SWAA2024100130590](https://openairdocs.org/sdr/SWAA2024100130590), Aug 26, 2024: BALANCE WEIGHT. CORRODED. RUDDER BALANCE ARM WEIGHT CORRODED<[01] RUDDER BALANCE ARM WEIGHT REPLACED ON CSD WORK ORDER #575213; CUSTOMER PO #P8436615-1; FORM TRACKING #N-197042;[02] VERI
- [SDR SWAA2024100230067](https://openairdocs.org/sdr/SWAA2024100230067), Aug 24, 2024: DOUBLER. CRACKED. L/H BS 663 LOWER VAPOR BARRIER DOUBLER 111A1521-9 CRACKED AT FASTENER HOLE<[01] FABRICATED DOUBLER IAW SRM 51-30-01-0G-0 AND DWG 111A1521 REV:C AND DWG 111A1521
- [SDR SWAA2024100229218](https://openairdocs.org/sdr/SWAA2024100229218), Aug 22, 2024: ATTACH ANGLE. CRACKED. CRACKED ATTACH ANGLE AT FWD CABIN BS293 RBL55 WL208. MARKED<[01] REMOVED ANGLE BS294 RBL55 WL208 AND INSTALLED NEW ANGLE BS294 RBL55 WL208 I.A.W SRM 51-40-02-0G
- [SDR SWAA2024100229219](https://openairdocs.org/sdr/SWAA2024100229219), Aug 22, 2024: SILL DRAIN. CRACKED. CRACKED FWD ENTRY DOOR MOP SILL BS294+8 LBL55 WL208. MARKED.<[01] UPDATED STEP 2;[02] UPDATED STEP 2;[03] REJECT - STEP 2; ITEM 5.; FOUND 14EA LOOSE TEMP. FASTE
- [SDR SWAA2024100229220](https://openairdocs.org/sdr/SWAA2024100229220), Aug 22, 2024: FLOOR SUPPORT. CORRODED. CORROSION ON FLOOR SUPPORT AT FWD WET AREA BS304 LBL11 WL208.<[01] REMOVED AND REPLACED INTERCOSTAL (FLOOR SUPPORT) AT FWD WET AREA FROM BS 294.5 TO BS 312 LBL 
- [SDR SWAA2024100229221](https://openairdocs.org/sdr/SWAA2024100229221), Aug 22, 2024: FLOOR SUPPORT. CRACKED. CRACKED INTERCOSTAL AT FWD WET AREA BS328 - BS344 LBL45 WL208.<[01] REMOVED AND REPLACED INTERCOSTAL AT BS328 TO BS344 LBL45; WL208 PER SRM 51-40-02 AND DWG:141
- [SDR SWAA2024100229225](https://openairdocs.org/sdr/SWAA2024100229225), Aug 22, 2024: INTERCOSTAL. CRACKED. CRACKED INTERCOSTAL AT FWD WET AREA BS394 LBL13 WL208.<[01] UPDATED STEP 1-3;[02] CORRECTED STEP 2;[03] REMOVED AND REPLACED INTERCOSTAL ANGLE AT FWD WET AREA B
- [SDR SWAA2024100228407](https://openairdocs.org/sdr/SWAA2024100228407), Aug 21, 2024: WEB. CORRODED. CORROSION ON SUBTHRESHOLD WEB FCB<[01] REMOVED AND REPLACED SUBTHRESHOLD WE AT FCB BETWEEN BS 440 TO BS 492 RBL 23 WL 156 PER SRM 51-40-02 ;DWG 143A8330; REV:-.
- [SDR SWAA2024100228848](https://openairdocs.org/sdr/SWAA2024100228848), Aug 21, 2024: SUPPORT ANGLE. CRACKED. CRACKED SUPPORT ANGLE BEHIND WATER SERVICE PANEL AT ACB BS914 RBL12 WL170.<[01] REMOVED AND REPLACED SUPPORT ANGLE BEHIND WATER SERVICE PANEL AT ACB BS914 RBL12
- [SDR SWAA2024100228399](https://openairdocs.org/sdr/SWAA2024100228399), Aug 21, 2024: STRAP. CORRODED. AFT FLOOR STRUCTURE - CORROSION ON DEPRESSOR STRIP BS 1016+7 LBL 2.5; BS 1016+1; BS 1016+6.5 LBL 17 WL 208 (MARKED)<[01] CERTIFY;[02] REMOVED AND REPLACED STRAP
- [SDR SWAA2024100228830](https://openairdocs.org/sdr/SWAA2024100228830), Aug 21, 2024: CARGO TRACK. CORRODED. CORROSION ON TRACK TIEDOWNS LBL18 BS436; BS496 WL156. MARKED<[01] JOB WILL BE ACCOMPLISH ON CUSTOMER CARD NBR: TTG8Q00VDDST;[02] VERIFIED;[03] COMPLETED MEASURE
- [SDR SWAA2024100128849](https://openairdocs.org/sdr/SWAA2024100128849), Aug 21, 2024: ATTACH ANGLE. CRACKED. CRACKED ATTACH ANGLE AT ACB BS867 LBL10 WL167<[01] NO ALLOWABLE DAMAGE FOUND ON SRM; AND ANGLE IS REPAIRED BY REPLACE IAW SRM 51-10-02-0G-0; PARR. 9.C.<BR>REMOV
- [SDR SWAA2024100128835](https://openairdocs.org/sdr/SWAA2024100128835), Aug 21, 2024: SIDEWALL SUPPORT. CORRODED. CORROSION ON FLOOR TO SIDEWALL SUPPORT AT FCB BS500A - BS500D RBL24 WL156.<[01] VERIFIED;[02] UPDATED STEP 2 WITH CALABRATED TOOLING USED;[03] SRM 53-00-53-1A-2
- [SDR SWAA2024100128837](https://openairdocs.org/sdr/SWAA2024100128837), Aug 21, 2024: SIDEWALL SUPPORT. CORRODED. CORROSION ON FLOOR TO SIDEWALL SUPPORT AT ACB LBL21 BS727B - BS772 WL156. MARKED<[01] REMOVED AND REPLACED L/H FLOOR TO SIDEWALL SUPPORT BETWEEN BS 727+4' TO BS
- [SDR SWAA2024100128838](https://openairdocs.org/sdr/SWAA2024100128838), Aug 21, 2024: SIDEWALL SUPPORT. CORRODED. CORROSION ON FLOOR TO SIDEWALL SUPPORT AT ACB RBL21 BS727B - BS767 WL156. MARKED<[01] REMOVED AND REPLACED SIDEWALL SUPPORT P/N 146A7502-51 LOT# 1574685-2. AT A
- [SDR SWAA2024100128840](https://openairdocs.org/sdr/SWAA2024100128840), Aug 21, 2024: WEB. CORRODED. CORROSION ON SUBTHRESHOLD WEB AT ACB BS796 - BS847 RBL26 WL159. MARKED<[01] CHANGED ALLOWABLE DAMAGE IN STEP 1;[02] EDITED REFERENCE;[03] REMOVED AND REPLACED S
- [SDR SWAA2024100128845](https://openairdocs.org/sdr/SWAA2024100128845), Aug 21, 2024: SHIELD. CORRODED. CORROSION ON FWD SHIELD AT ACB BS767 - BS787 RBL22 WL157. MARKED<REPAIR BY REPLACEMENT PART IAW SRM 51-10-02-0G-0 PARAGRAPH 9<BR>REMOVED FWD SHIELD AT ACB RBL 2
- [SDR SWAA2024100128850](https://openairdocs.org/sdr/SWAA2024100128850), Aug 21, 2024: CARGO TRACK. CRACKED. CRACKED TRACK AT ACB BS727E LBL17 WL156.<[01] COMPLETED STEP 1 AND 2.;[02] TASK CARD COMPLETED.;[03] REMOVED AND REPLACED ACB TRACK ASSY FROM STA 727+4' TO STA 
- [SDR SWAA2024100128836](https://openairdocs.org/sdr/SWAA2024100128836), Aug 21, 2024: SIDEWALL SUPPORT. CORRODED. CORROSION ON FLOOR TO SIDEWALL SUPPORT AT FCB BS500+14 - BS500A+11; BS471 LBL24 WL156. MARKED<[01] UPDATED STEP 2 WITH CALIBRATED TOOLING USED.;[02] VERIFIED;[0
- [SDR SWAA2024100128833](https://openairdocs.org/sdr/SWAA2024100128833), Aug 21, 2024: CARGO TRACK. CRACKED. CRACKED TRACK AT FCB BS440 LBL18 WL155. MARKED<[01] VERIFIED;[02] SRM 53-00-53-1A-1 IS APPLICABLE FOR THIS DAMAGE.UPON FURTHER EVALUATION OF CRACKET CARGO TRACK
- [SDR SWAA2024100128834](https://openairdocs.org/sdr/SWAA2024100128834), Aug 21, 2024: SHIELD. CORRODED. CORROSION ON AFT SHIELD AT FCB BS500+11 RBL24 WL156. MARKED<[01] REMOVED AND REPLACED FCB AFT SHIELD IAW BOEING DWG 143A0080 AND SRM 51-40-05 AND SRM 51-40-02;[
- [SDR SWAA2024100128831](https://openairdocs.org/sdr/SWAA2024100128831), Aug 21, 2024: SIDEWALL SUPPORT. CORRODED. CORROSION ON FLOOR TO SIDEWALL SUPPORT AT FCB BS400 - BS420 RBL24 WL156. MARKED<[01] UPDATED STEP 2 WITH CALIBRATED TOOLING USED;[02] VERIFIED;[03] REMOVED AND 
- [SDR SWAA2024100128841](https://openairdocs.org/sdr/SWAA2024100128841), Aug 21, 2024: SIDEWALL SUPPORT. CORRODED. CORROSION ON AFT BULKHEAD TO SIDEWALL SUPPORT AT ACB BS947 RBL22 WL180. MARKED<[01] REMOVED AND REPLACED AFT BULKHEAD TO SIDEWALL SUPPORT AT ACB BS947 RBL22 WL1
- [SDR SWAA2024100128843](https://openairdocs.org/sdr/SWAA2024100128843), Aug 21, 2024: CARGO TRACK. CORRODED. CORROSION ON TRACK TIEDOWNS AT ACB LBL17 BS727B; BS790 WL156. MARKED<[01] AFT CARGO TIEDOWN TRACK REPLACED FROM STA 727+4' TO STA 867; LBL 17; WL 156. FAULT RES
- [SDR SWAA2024100228390](https://openairdocs.org/sdr/SWAA2024100228390), Aug 20, 2024: SILL DRAIN. CORRODED. AFT FLOOR STRUCTURE - MULTIPLE SPOTS CORROSION ON R/H MOP SILL BS 947+17.5 RBL 53/BS 967+5; BS 967+6.5; BS 967+13; BS 967+14 RBL 49; BS 967+7; BS 967+17.5 RBL 5
- [SDR SWAA2024100228401](https://openairdocs.org/sdr/SWAA2024100228401), Aug 20, 2024: SILL DRAIN. CORRODED. AFT FLOOR STRUCTURE - MULTIPLE SPOTS CORROSION ON L/H MOP SILL BS 947+5.5; BS 947+7.5; BS 947+12; BS 947+17.5; LBL 51 WL<[01] REMOVED AND REPLACED MOP SILL AT B
- [SDR SWAA2024100228402](https://openairdocs.org/sdr/SWAA2024100228402), Aug 20, 2024: SILL DRAIN. CORRODED. AFT FLOOR STRUCTURE - MULTIPLE SPOTS CORROSION ON L/H MOP SILL BS 967+2.5; BS 967+6.5; BS 967+8.25; BS 967+10; BS 967+14; BS 967+17.5 LBL 49 WL 208 (MARKED)<[01
- [SDR SWAA2024100228403](https://openairdocs.org/sdr/SWAA2024100228403), Aug 20, 2024: SILL DRAIN. CORRODED. AFT FLOOR STRUCTURE - MULTIPLE SPOTS CORROSION ON L/H MOP SILL BS 987; BS 9687+3; LBL 47 / BS 992.8 LBL 45 WL 208 (MARKED)<[01] AED MOP SILL WILL BE REPAIRED ON
- [SDR SWAA2024100228392](https://openairdocs.org/sdr/SWAA2024100228392), Aug 20, 2024: FLOORBEAM. CORRODED. AFT FLOOR STRUCTURE - MULTIPLE SPOTS CORROSION ON UPPER FLANGE FLOOR BEAM BS 987; BL 0; RBL 4.5; RBL 5; RBL 13.5; RBL 14.75; RBL 20; RBL 21.5; RBL 23.5; RBL; 30

All 220: https://openairdocs.org/aircraft/N7852A/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

## Related

- Other Boeing 737-71B aircraft: https://openairdocs.org/model/boeing-737-71b/aircraft.md
- The CFM International CFM56-7B24 series engine: https://openairdocs.org/engine/cfm-international-cfm56-7b24-series.md

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