# Service difficulty reports: CFM International CFM56-7B24 series

A list on [CFM International CFM56-7B24 series](https://openairdocs.org/engine/cfm-international-cfm56-7b24-series.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 15 · 728 reports

- [SDR CALA2026041515384](https://openairdocs.org/sdr/CALA2026041515384.md): Idg · inoperative · Apr 14, 2026 · N77530 · Boeing 737824 · AC Generator-Alternator
  > ENG 1 SOURCE OFF LIGHT ILLUMINATED ENG 1 IDG FAULT LIGHT ON GENERATOR CONTROL UNIT. REPLACED ENG 1 IDG REF AMM 24-11-11. OPS CHECK, LOAD TEST, LEAK TEST AND DISCONNECT TEST SUCCESSFUL REF AMM 24-11-00. ACCOMPLISHED ALL REQUIRED IDT INSPECTION FOR E-1 IDG REM
- [SDR CALA2026010712757](https://openairdocs.org/sdr/CALA2026010712757.md): Engine · faulted · Jan 5, 2026 · N17753 · Boeing 737724 · Engine (Turbine/Turboprop)
  > ENG 2 LAGS BY 10 SECS WHEN SPOOLING TO 40 PCT N1. ABOVE 40PCT IT ACCELERATES NORMALLY INFO FROM FLIGHT CREW. ON DESCENT N1 WOULD NOT GO ABOVE 29%, T/O AND CRUISE WAS NORMAL. ENGINE WAS NOT SHUT DOWN BUT FLOWN AT REDUCED THRUST, MAY HAVE HEARD A STALL BUT U
- [SDR AALA202509023546](https://openairdocs.org/sdr/AALA202509023546.md): Fuel Filter · clogged · Aug 29, 2025 · N897NN · Boeing 737823 · Engine Fuel/Oil Cooler
  > AIRCRAFT WAS NOT GROUNDED: ENGINE 2 FILTER BYPASS LIGHT ILLUMINATED SHORTLY AFTER TAKEOFF. REPLACED NUMBER 2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH (AALA202509024877), PER AMM 73-34-01. ALSO, REPLACED NUMBER 2 ENGINE FUEL FILTER (AALA202509023546). PE
- [SDR CALA2025072506920](https://openairdocs.org/sdr/CALA2025072506920.md): Line · leaking · Jul 20, 2025 · N37420 · Boeing 737900ER · Turbine Engine Oil System
  > OIL QTY DROPPED STEADILY TO 0 PERCENT. W/IN APPRO 20MIN OIL PRES S FLUCTUAT TO RED LIMIT. REMOVED AND REPLACED #1 ENGINE REF AMM 71-00-02-400-802-F00, ALL OPS CHECKS NORMAL, NO LEAKS NOTED.VERIFIED #1 ENGINE CHANGE IAW GMM 09-25-05, MONITORED DYNAMETERS, CON
- [SDR CALA2025021002250](https://openairdocs.org/sdr/CALA2025021002250.md): Engine · failed · Feb 5, 2025 · N37471 · Boeing 737924ER · Engine (Turbine/Turboprop)
  > DURING TAKEOFF LOUD BANG HEARD AROUND 70-75KTS REJECTED TAKEOFF AT 90KT DURING BORESCOPE INSPECTION PER AMM 71-00-00210-801-F00. INSPECTED HPC BLADES. THROUGH PORT C-4 FOUND STAGE 4COMPRESSOR BLADE/STATOR TORN AND MISSING MATERIAL BEYOND ALLOWABLE AS WELL AS A
- [SDR CALA2025012702053](https://openairdocs.org/sdr/CALA2025012702053.md): Engine · vibration · Jan 24, 2025 · N27724 · Boeing 737724 · Engine (Turbine/Turboprop)
  > AT 2000 FT ENG 2 SHOOK N ENG INSRT JUMPED AROUND. 20 SECS LTR EN G 2 SHOOK AGAIN W ENG FAIL UPON INSPECTION, NOTED A BURNT SMELL TOWARDS THE TAIL OF #2 ENGINE. FOUND N1 SPINNING NORMALLY WITH NO UNUSUAL RESISTANCE. TAIL EXHAUST SECTION SPUN NORMALLY HOWEVER NO
- [SDR SWAA2024111860228](https://openairdocs.org/sdr/SWAA2024111860228.md): Engine · popped · Nov 14, 2024 · N915WN · Boeing 7377H4 · Engine (Turbine/Turboprop)
  > WHILE CLIMBING THROUGH FL210 EXPERIENCED A LOUD POP FROM ENGINE #2 ACCOMPANIED BY A MOMENTARY EGT EXCEEDANCE; OPERATED ENGINE AT REDUCED THRUST SETTING FR THE REMINDER OF THE FLIGHT WITH AIR RETURN TO SJC. OVERWEIGHT LANDING WAS NOT ACCOMPLISHED REFERENCE ORIG
- [SDR ASAA2024082552119](https://openairdocs.org/sdr/ASAA2024082552119.md): Turbine · low pressure · Aug 25, 2024 · N613AS · Boeing 737790 · Turbine Section
  > CLIMBING OUT OF 7,000, EXPERIENCED #1 ENGINE FAILURE: SUSPECT DAMAGE (NO FUEL FLOW N2 ROTATION), QRC,QRH: S/E APPROACH AND LANDING. GROUNDED - YES. AIR TURNBACK - MIG-2C #40-0056987 INITIATED. THRU #40-0056989. PERFORMED CONDITIONAL INSPECTION REF AMM 05-51-5
- [SDR ASAA2024080851680](https://openairdocs.org/sdr/ASAA2024080851680.md): Engine · failed · Aug 8, 2024 · N457AS · Boeing 737990ER · Fuel Controlling System
  > DURING CRUISE AT FL350 #2 ENGINE SURGE WITH HIGH FUEL FLOW AND OVERTEMP, ACCOMPLISHED ENGINE LIMIT/SURGE/STALL CHECKLIST, ENGINE STABILIZED AT 64* N1 IN ACCORDANCE WITH CHECKLIST ADVANCE POWER LEVER SLOWLY HAD ENGINE VIBRATION (SLIGHT 1.2) REDUCED THRUST, FUEL
- [SDR CALA2024051301448](https://openairdocs.org/sdr/CALA2024051301448.md): Engine · overheated · May 8, 2024 · N77510 · Boeing 737824 · Engine (Turbine/Turboprop)
  > NO.2 OVRHEAT LT ILLUM IN FLT. SEE RELATED FIM 26-10 TASK 811. PERFORMED FIM TASK 26-10 TASK 801. NO FAULTS FOUND. PERFORMED FIM TASK 26-10 TASK 811 ( EXCEPT ENG RUN), PERFORMED FIRE DETECTION LOOP RESISTANCE SYS TEST, NO FAULTS. ON MIDS UNCONNECTED FROM HARN
- [SDR AALA202301104010](https://openairdocs.org/sdr/AALA202301104010.md): Engine · odor · Dec 27, 2022 · N945NN · Boeing 737823 · Engine (Turbine/Turboprop)
  > AIRCRAFT WAS GROUNDED: INTERMITTENT ODOR DURING FIRST 15 MIN OF FLIGHT STRONGEST IN FLIGHT DECK AND FORWARD CABIN QUICK REFERENCE HANDBOOK ODOR CHECKLIST TABLE CHARACTERISTICS MILD/MODERATE TRANSIENT CATEGORY (BURNING RUBBER SCENT). REMOVED AND REPLACED NUMB
- [SDR SWAA2022082244273](https://openairdocs.org/sdr/SWAA2022082244273.md): Tailpipe · flamed out · Aug 21, 2022 · N246LV · Boeing 7377H4 · Engine (Turbine/Turboprop)
  > INFORMED BY AIRCRAFT BEHIND THAT WE HAD A TAILPIPE FIRE ON ENGINE #2. ENGINE PARAMETERS WERE NORMAL; ENGINE WAS SHUT DOWN. / [01] C/W AMM 05-51-49-201-001; CONDITIONAL INSPECTION FOR TAILPIPE FIRES. REMOVED OIL ACCUMULATED IN CENTER PLUG CAVITY. PERFORMED #2 E
- [SDR ASAA2022033037850](https://openairdocs.org/sdr/ASAA2022033037850.md): Spacer · abnormal · Mar 30, 2022 · N434AS · Boeing 737990ER · Turbine Engine Air Inlet Section
  > WHILE ACCOMPLISHING FAN LUBE ON #2 ENG T/C #78472010, FOUND SPACERS #14 AND #19 UNUSUALLY DIFFICULT TO INSTALL. GROUNDED - YES. REMOVED AND REPLACED SPACERS #14 AND #19 ON #2 ENG PER T/C #78472010.
- [SDR ASAA2022032937822](https://openairdocs.org/sdr/ASAA2022032937822.md): Unknown · unknown · Mar 29, 2022 · N583AS · Boeing 737890 · Flight Management Computing Hardware System
  > DURING CRUISE IN OCEANIC AIRSPACE, BOTH FMC'S FAILED THEN RECOVERED. GROUNDED - YES. PERFORMED #1 AND #2 FMC BITE/IN FLT FAULTS FOUND FMC-L PMG FAULT AND A CORRESPONDING FMC-R RESYNC WITH SAME TIME STAMP. L/H FMC WAS ONLY RESET/FAULT ON LEG 1 R/H FMC RESET WAS
- [SDR ASAA2022032937824](https://openairdocs.org/sdr/ASAA2022032937824.md): Harness · faulty · Mar 29, 2022 · N461AS · Boeing 737990ER · Fuel Controlling System
  > REF DEFECT 60349702. DURING EEC BITE TEST FOUND FAULT 77-20861. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 77-21 TASK 803 BOTTOM LEFT EGT SIGNAL OUR RANGE. REMOVED AND REPLACED CJ0 HARNESS REF B737-900 AMM 73-21-06. ACCOMPLISHED FADEC SYSTEM TEST REF AMM 73-21-
- [SDR ASAA2022032937826](https://openairdocs.org/sdr/ASAA2022032937826.md): Igniter · failed · Mar 29, 2022 · N562AS · Boeing 737890 · Ignition Harness (Distribution)
  > #1 ENGINE R IGNITION INOP. GROUNDED - YES. PERFORMED #1 ENGINE IGNITION SYSTEM AUDIBLE TEST PER B737-800 AMM 74-00-00-750-801-F01, RIGHT IGNITOR WEAK. REF B737-800 FIM 74-21 TASK 807 REMOVED RIGHT IGNITER PLUG ON ENG #1 AND FOUND FAILED IGNITER PLUG. REPLACED
- [SDR ASAA2022032837812](https://openairdocs.org/sdr/ASAA2022032837812.md): Spacer · debonded · Mar 28, 2022 · N533AS · Boeing 737890 · Turbine Engine Air Inlet Section
  > PER T/C 78472012 #1 ENGINE FAN BLADE LUBE SPACERS #4 AND #8 ARE DISBONDED. GROUNDED - YES. R&R SPACER #4 AND #8 PER T/C 78472010.
- [SDR ASAA2022032837817](https://openairdocs.org/sdr/ASAA2022032837817.md): Unknown · unknown · Mar 28, 2022 · N919AK · Boeing 7379 · Autopilot System
  > SINGLE CHANNEL SPEED TRIM FALIURE (EXTINGUISHES ON MASTER CAUTION RESET). GROUNDED - YES. RAN B737-9 FIM TASK 22-11-00-810 LOGGED FAULT MSG 22-11176 RAN IFIM TASK 22-11-00-810-933 SPEED TRIM TESTS PASSED PER SAME REF OK FOR SERVICE.
- [SDR ASAA2022032837818](https://openairdocs.org/sdr/ASAA2022032837818.md): Unknown · unknown · Mar 28, 2022 · N493AS · Boeing 737990ER · HF Communications System
  > SATCOM LOCK-UP GROUNDED - YES. PERFORMED RESET PROCEDURES PER QRH 5-4, SUCCESSFUL.
- [SDR ASAA2022032837821](https://openairdocs.org/sdr/ASAA2022032837821.md): Unknown · unknown · Mar 28, 2022 · N565AS · Boeing 737890 · Flight Management Computing Hardware System
  > RIGHT FMC FAILED AT CRUISE. RAN QRH. OPERATED REMAINDER OF FLIGHT WITH FMC SOURCE SELECT SWITCH IN BOTH ON LEFT. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 836. RESET RH FMC OPS CHK GOOD.
- [SDR ASAA2022032637795](https://openairdocs.org/sdr/ASAA2022032637795.md): Spinner · abnormal · Mar 26, 2022 · N435AS · Boeing 737990ER · Turbine Engine Air Inlet Section
  > WHILE ACCOMPLISHING T/C 78472010, #2 ENGINE INLET SPINNER FRONT CONE FOUND WITH MORE THAN 50% OF WHITE ANTI-EROSION PAINT MISSING. GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE INLET SPINNER FRONT CONE PER T/C 78472010.
- [SDR ASAA2022032637796](https://openairdocs.org/sdr/ASAA2022032637796.md): Lead · damaged · Mar 26, 2022 · N583AS · Boeing 737890 · Ignition Harness (Distribution)
  > #1 ENG L/H IGNITION LEAD DAMAGED. GROUNDED - YES. REMOVED AND REPLACED #1 ENG IGNITION LEAD REF B737-800 AMM 74-21-01 OPS TEST GOOD.
- [SDR ASAA2022032537782](https://openairdocs.org/sdr/ASAA2022032537782.md): Dfgs · faulty · Mar 25, 2022 · N584AS · Boeing 737890 · Auto Throttle System
  > AUTOTHROTTLE WILL NOT ENGAGE. GROUNDED - YES. UNABLE TO DUP./VERIFY DISCREP. W/ A/T TESTS. NO FAULTS LOGGED LAST 3 FLTS, FLTS 4-13 SHOW NUMEROUS FOUND FAULTS. REMOVED/REPLACED MCP PRECAUTIONARY REF. B737-800 AMM 22-11-34. MCP OPS NML REF. SAME AMM. A/T OPS NML
- [SDR ASAA2022032437762](https://openairdocs.org/sdr/ASAA2022032437762.md): Battery Pack · failed · Mar 24, 2022 · N581AS · Boeing 737890 · Emergency Lighting
  > DURING ACCOMPLISHMENT OF T/C 78233001 BATTERY PACK M1673 FAILED CAPACITY TEST. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK REF B737-800 AMM 33-51-06-960-805. OPC GOOD NO FURTHER DEFECTS FOUND.
- [SDR ASAA2022032437792](https://openairdocs.org/sdr/ASAA2022032437792.md): Unknown · unknown · Mar 24, 2022 · N921AK · Boeing 7379 · Flight Management Computing Hardware System
  > A/C ON A/P B LOST FLT PLAN AND LNAV ALONG WITH A/P D/RST AND P/RST FLASHING CAUTION LIGHTS. TRANSFERRED TO A A/P AND ENGAGED LNAV. OPERATED NORMALLY ON A SIDE. ALL MESSAGES CLEARED BY THEMSELVES. REENGAGED B SIDE AND OPERATED NORMALLY. GROUNDED - YES. PERFORME
- [SDR ASAA2022032437793](https://openairdocs.org/sdr/ASAA2022032437793.md): Fmc · failed · Mar 24, 2022 · N431AS · Boeing 737990ER · Flight Management Computing Hardware System
  > LEFT FMC FAIL IN CRUISE, FMC RESET AFTER 2 MINUTES AND WORKED PROPERLY AFTER RESET. GROUNDED - YES. TROUBLESHOT & FOUND FMCS-L FAULTED MULTIPLE LEG WITH "ETHERNET-2", REPLACED NEW FMCS-L & PERFORMED INSTALLATION TESTS GOOD. B737-900 AMM 34-61-02/401 & FIM 34-6
- [SDR ASAA2022032437798](https://openairdocs.org/sdr/ASAA2022032437798.md): Detection Sys · intermittent · Mar 24, 2022 · N569AS · Boeing 737890 · Detection System
  > REF L/P 60313670 #2 ENG FIRE WARNING B LOOP DOES NOT TEST. GROUNDED - YES. REF FIM 26-10 TASK 805 #2 LOOP TOTAL RESISTANCE IS OUT OF TOLERANCE BETWEEN PINS 12 AND 2 CONNECTOR D998 READING 1.2 KOHMS. READING CHANGE TO 870 OHMS AFTER OPENING COWLS. REF B737-800
- [SDR ASAA2022032337749](https://openairdocs.org/sdr/ASAA2022032337749.md): Unknown · unknown · Mar 23, 2022 · N971AK · Boeing 7379 · Cabin Temperature Control System
  > ON TOUCHDOWN MAINT ON OVERHEAD PANEL ILLUMINATED. GROUNDED - YES. LAST LEG STATUS MESSAGE 21-6515 "CONTROL CABIN TRIM AIR VALVE SIGNAL OUT OF RANGE". PERF B737-9 IFIM 21-61-00-810-841. BITE TEST OF R/H IASC - TEST PASS - FAULT RESET / MAINT LIGHT EXTINGUISHED.
- [SDR ASAA2022032337750](https://openairdocs.org/sdr/ASAA2022032337750.md): Hf Comm · abnormal · Mar 23, 2022 · N481AS · Boeing 737990ER · HF Communications System
  > UNABLE TO TRANSMIT OR RECEIVE ON HF2 WHEN TUNED TO A KNOWN FREQUENCY. ALSO NO SELCAL HF2. GROUNDED - YES. ACCOMPLISHED OPERATIONAL TEST B737-900 AMM TASK 23-11-00-710-801, #2 HF TRANSCEIVER OPS PASSED. HF #2 SYSTEM TEST WITH SFO ARINC ON FREQ 6.640 OPS NORMAL.
- [SDR ASAA2022032337752](https://openairdocs.org/sdr/ASAA2022032337752.md): Computer · abnormal · Mar 23, 2022 · N913AK · Boeing 7379 · Flight Management Computing Hardware System
  > WHILE LEVEL @ FL380 HAD COMPLETE LOSS OF LEFT FMC. GROUNDED - YES. VERIFIED NO PROMPT FOR LEFT FMC, NO HISTORY, RESET LEFT AND RIGHT FMC'S. SYSTEM OPS NORMAL REF B737-9 AMM 34-61-0
- [SDR ASAA2022032337755](https://openairdocs.org/sdr/ASAA2022032337755.md): Fmc · abnormal · Mar 23, 2022 · N971AK · Boeing 7379 · Flight Management Computing Hardware System
  > ENROUTE AT FL 360, BOTH FMC'S WENT BLANK FOR ABOUT 20 SEC. VTK APPEARED ON LEFT NAV DISPLAY. MENU PAGE DID NOT HAVE FMC DISPLAYED. AFTER ABOUT 20 SEC FMC PROMPT REAPPEARED AND WENT BACK TO NORMAL OPS. GROUNDED - YES. FAULT WAS ONLY L/H FMC, CREW STATED NML OPS
- [SDR ASAA2022032337758](https://openairdocs.org/sdr/ASAA2022032337758.md): Valve · faulty · Mar 23, 2022 · N423AS · Boeing 737990ER · Cabin Cooling System
  > LEFT PACK LIGHT ILLUMINATED ON RECALL. EXTINGUISHES DURING MASTER CAUTION RESET. GROUNDED - YES. BITE TEST ACCOMPLISHED IAW B737-900 AMM 21-62 TASK 801 FOR BOTH CONTROLLERS. PACK CONTROLLER #2 PASSED, PACK CONTROLLER#1 (LH) SHOWED FAULT CODE THIS PACK-TCV FAUL
- [SDR ASAA2022032337759](https://openairdocs.org/sdr/ASAA2022032337759.md): Valve · faulty · Mar 23, 2022 · N512AS · Boeing 737890 · Cabin Cooling System
  > RIGHT PACK LIGHT ILLUMINATED ON MASTER CAUTION RECALL, LIGHT EXTINGUISHES WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. DURING BITE RH TEMP CONTROL VALVE FAULTED. REMOVED AND REPLACED RH TEMPERATURE CONTROL VALVE IAW B737-800 AMM 21-51-10-000-801 AND AM
- [SDR ASAA2022032337761](https://openairdocs.org/sdr/ASAA2022032337761.md): Light · inoperative · Mar 23, 2022 · N493AS · Boeing 737990ER · Windshield/Door Rain/Ice Removal
  > RT SIDE WINDOW OVERHEAT ILLUMINATED. FOLLOWED QRH LIGHT EXTINGUISHED. GROUNDED - YES. ACCOMP WINDOW HEAT OVERHEAT TEST, TEST PASS REF B737-900 30-41-11-860-004.
- [SDR ASAA2022032337794](https://openairdocs.org/sdr/ASAA2022032337794.md): Ecu · inoperative · Mar 23, 2022 · N926AK · Boeing 7379 · APU Core Engine
  > APU FAULT LIGHT ILLUMINATES ON ATTEMPTED APU START. GROUNDED - YES. ACCOMPLISHED APU BITE TEST, FOUND ACTIVE MAINTENANCE MESSAGE 49-89002 " ONBOARD MAINTENANCE FUNCTION HAS NO INPUT FROM APU ECU" PER B737-9 IFIM 49-00-00-810-817, REMOVED AND REPLACED APU ELECT
- [SDR ASAA2022032337814](https://openairdocs.org/sdr/ASAA2022032337814.md): Power Supply · inoperative · Mar 23, 2022 · N413AS · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS COMMON TO POWER SUPPLIES M2626 AND M2627 ARE INOP. GROUNDED - YES. REMOVED AND REPLACED M2626 POWER SUPPLY IAW B737-900 AMM 33-51-06-960-806. OPS CHECK GOOD FOR M2626 AND M2627 POWER SUPPLY IAW B737 AMM 35-51-06-960-806 STEPS 5.E.(5).
- [SDR ASAA2022032237751](https://openairdocs.org/sdr/ASAA2022032237751.md): Valve · inoperative · Mar 22, 2022 · N568AS · Boeing 737890 · Air Intake Anti/De-Ice System
  > ON TAKE OFF AND INITIAL CLIMB, TAI INDICATION ENG #2 INTERMITTANTLY WENT BLANK, TO AMBER, TO GREEN, SEVERAL TIMES. ENG ANTI-ICE SWITCH VALVE POSITION WAS DIM AT ALL TIMES. GROUNDED - YES. #2 ENG TAI COWL VALVE R&R PER B737-800 AMM 30-21-00. OPS CHK GOOD.
- [SDR ASAA2022032237753](https://openairdocs.org/sdr/ASAA2022032237753.md): Computer · failed · Mar 22, 2022 · N474AS · Boeing 737990ER · Flight Management Computing Hardware System
  > CA FMS FAIL IN FLIGHT. GROUNDED - YES. CONFIRMED FAULT, CAPTAINS FMC FAILED. REMOVED AND REPLACED CAPTAINS FMCS COMPUTER REF B737-900 AMM 34-61-02/401, OPS CHECK GOOD.
- [SDR ASAA2022032237754](https://openairdocs.org/sdr/ASAA2022032237754.md): Computer · inoperative · Mar 22, 2022 · N457AS · Boeing 737990ER · Flight Management Computing Hardware System
  > FMC P/RST LIGHT WILL NOT AUTOMATICALLY EXTINGUISH AFTER A TEST. GROUNDED - YES. REMOVED AND REPLACED #1 FMC. ACCOMPLISHED ALL LLM TESTS AND LRU REPLACEMENT TEST REF B737-900 AMM 34-61-02-000/400-801. FMC P/RST LIGHTS EXTINGUISH AFTER POST. GROUND VERIFICATION
- [SDR ASAA2022032237757](https://openairdocs.org/sdr/ASAA2022032237757.md): Spacer · worn · Mar 22, 2022 · N464AS · Boeing 737990ER · Turbine Engine Air Inlet Section
  > #2 ENGINE TREND DATA SHOWS A RISE IN LOW PRESSURE ROTOR VIBRATION LEVELS. GROUNDED - YES. REPLACED 4 SPACERS AND COMPLIED WITH TASKCARD 78472010.
- [SDR ASAA2022032137756](https://openairdocs.org/sdr/ASAA2022032137756.md): Regulator · inoperative · Mar 21, 2022 · N402AS · Boeing 737990ER · Pneumatic Distribution System
  > LEFT ENG DUCT PRESSURE @ 5 PSI AT IDLE. GROUNDED - YES. ACCOMPLISHED TROUBLESHOOTING ON LEFT ENG PNEU SYS PER B737-900 AMM TASK 36-00-00-860-807 PROCEDURE C. STEPS 1 THRU 6. R & R HIGH STAGE REGULATOR & HIGH STAGE VLV. ACCOMPLISHED IDLE RUN OPS CK GOOD REFEREN
- [SDR ASAA2022032137763](https://openairdocs.org/sdr/ASAA2022032137763.md): Power Supply · inoperative · Mar 21, 2022 · N251AK · Boeing 737990ER · Emergency Lighting
  > EMERGENCY LIGHTS AT R1 DOOR INOP GROUNDED - YES. REMOVED AND REPLACED POWER SUPPLY M2816 AND INSTALLATION TEST GOOD IAW B737-900 AMM 33-51-06-960-806
- [SDR ASAA2022032137797](https://openairdocs.org/sdr/ASAA2022032137797.md): Loop · inoperative · Mar 21, 2022 · N569AS · Boeing 737890 · Extinguishing System
  > ENGINE #2 FIRE WARNING B LOOP DOES NOT TEST GOOD. GROUNDED - YES. REMOVED AND REPLACED UPPER FAN FIRE DETECTOR LOOP ON #2 ENGINE IAW B737-800 AMM 26-11-01-000-803 OPS CHECK BAD FAULT STILL EXISTED. REMOVED AND REPLACED ENGINE AND APU FIRE CONTROL PANEL IAW AMM
- [SDR SWAA2021080905082](https://openairdocs.org/sdr/SWAA2021080905082.md): Hmu · faulty · Aug 3, 2021 · N473WN · Boeing 7377H4 · Fuel Controlling System
  > NUMBER 2 ENG.N-1 4% LOWER THAN #1.WOULD NOT ATTAIN FULL CLIMB POWER; NUMBER 2 ENG. N-1;4% LOWER THAN #1 WOULD NOT ATTAIN FULL CLIMB POWER / [01] REF W/O 13684334 LINE #11 TASK CARD 773-11-00 HAS BEEN C/W FUEL PUMP AND HMU WERE REPLACED WITH THIS TASK CARD.
- [SDR SWAA2021080903343](https://openairdocs.org/sdr/SWAA2021080903343.md): Pump · faulty · Aug 3, 2021 · N473WN · Boeing 7377H4 · Engine Fuel Pump
  > NUMBER 2 ENG.N-1 4% LOWER THAN #1.WOULD NOT ATTAIN FULL CLIMB POWER; NUMBER 2 ENG. N-1;4% LOWER THAN #1 WOULD NOT ATTAIN FULL CLIMB POWER / [01] REF W/O 13684334 LINE #11 TASK CARD 773-11-00 HAS BEEN C/W FUEL PUMP AND HMU WERE REPLACED WITH THIS TASK CARD.
- [SDR SWAA2020031642447](https://openairdocs.org/sdr/SWAA2020031642447.md): Servo · faulty · Mar 12, 2020 · N700GS · Boeing 7377H4 · Engine Fuel/Oil Cooler
  > LEVELING AT FL30, SE SLOWED TO.74. WHEN ENGINES SPOOLED UP THE #1 ENG STALLED FOR APPROX. 30 SECONDS EGT DID NOT EXCEED 560. HEARD BACK FIRES & FELCT THE STALL. PREFORMED QRH PROCEDURES & ALL INDICATIONS RETURNED TO NORMAL. /
- [SDR SWAA2020031642448](https://openairdocs.org/sdr/SWAA2020031642448.md): Hmu · faulty · Mar 12, 2020 · N700GS · Boeing 7377H4 · Fuel Control/Turbine Engines
  > LEVELING AT FL30, SE SLOWED TO.74. WHEN ENGINES SPOOLED UP THE #1 ENG STALLED FOR APPROX. 30 SECONDS EGT DID NOT EXCEED 560. HEARD BACK FIRES & FELCT THE STALL. PREFORMED QRH PROCEDURES & ALL INDICATIONS RETURNED TO NORMAL. /
- [SDR SWAA2020031642449](https://openairdocs.org/sdr/SWAA2020031642449.md): Pump · faulty · Mar 12, 2020 · N700GS · Boeing 7377H4 · Engine Fuel Pump
  > LEVELING AT FL30, SE SLOWED TO.74. WHEN ENGINES SPOOLED UP THE #1 ENG STALLED FOR APPROX. 30 SECONDS EGT DID NOT EXCEED 560. HEARD BACK FIRES & FELCT THE STALL. PREFORMED QRH PROCEDURES & ALL INDICATIONS RETURNED TO NORMAL. /
- [SDR AALA202003139003](https://openairdocs.org/sdr/AALA202003139003.md): Bleed Valve · failed · Mar 11, 2020 · N973AN · Boeing 737823 · Compressor Bleed Valve
  > AIRCRAFT GROUNDED - RIGHT ENGINE HAS SLOW ACCELERATION IN FORWARD THRUST. WITH BOTH THRUST LEVERS EQUAL IN POSITION, N1 40 PERCENT, TAKE-OFF/GO-AROUND SELECTED FOR TAKEOFF POWER, RIGHT ENGINE LAGGED LEFT ENGINE BY ABOUT 8 PERCENT INITIALLY, UNEQUAL THRUST. AT
- [SDR AALA2020030979014](https://openairdocs.org/sdr/AALA2020030979014.md): Fuel Filter · defective · Mar 6, 2020 · N932AN · Boeing 737823 · Engine Fuel Distribution
  > AIRCRAFT WAS GROUNDED: RIGHT ENGINE FUEL FILTER BYPASS ILLUMINATED DURING INITIAL CLIMB. LIGHT EXTINGUISHED DURING DECENT AND REMAINED OUT. **SUPPLEMENTAL REPORT: REPLACED FUEL FILTER (AALA202003079014) AND DIFFERENTIAL PRESSURE SWITCH (AALA202003079015) PER

Next page: https://openairdocs.org/engine/cfm-international-cfm56-7b24-series/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE engine_model_key = 'CFM567B24'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/cfm-international-cfm56-7b24-series/reports

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