# Service difficulty reports: CFM International CFM56-7B26/2 series

A list on [CFM International CFM56-7B26/2 series](https://openairdocs.org/engine/cfm-international-cfm56-7b26-2-series.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 8 · 353 reports

- [SDR CALA2026110120685](https://openairdocs.org/sdr/CALA2026110120685.md): Repair · worn · Oct 26, 2026 · N24224 · Boeing 737824 · Aerodynamic Fairings
  > STRIKER PLATE FOR PREVIOUS CHORD REPAIR AT H/P PNUMATIC DOOR 192 DR SEAMS TO BE LOCATED TOO FAR AFT AND IS WORN INTO ON STRAP AND PLATE.REMOVED DAMAGED REPAIR STRAP AND REMOVED NUTPLATES FROM REPAIR STRAP IAW SRM. 51-40-02, & SRM 57-10-13-2R-3, REPAIR 3. EC/R
- [SDR CALA2026102620572](https://openairdocs.org/sdr/CALA2026102620572.md): Engine · faulted · Oct 24, 2026 · N24202 · Boeing 737824 · Engine (Turbine/Turboprop)
  > DUE TO IFSD OF ENG 1, IF THE ENGINE IS OPERABLE, OPERATE THE ENGINE AT IDLE FOR A MINIMUM OF 15-20 MINUTES AND NOT LATER THAN 24 HOURS AFTER LANDING. TIME OF A/C ON GROUND IS 2354 LOCAL. REF AMM 71-00-00-210-802-F00 FOR INSPECTION OF ENGINE AFTER IN-FLIGHT W
- [SDR CALA2026101920450](https://openairdocs.org/sdr/CALA2026101920450.md): Shaft · sheared · Oct 14, 2026 · N71411 · Boeing 737924 · Engine Fuel Pump
  > ENGINE 2 NEVER ACHIEVED REQUIRED T/O THRUST. 90.6 REQUIRED. 90.0 ACHIEVED. FOUND ENG 2 FUEL PUMP DRIVE SHAFT SHEARED. REPLACEMENT OF FUEL PUMP PERFORMED. ENG 2 ACHIEVED 99.9% N1 AFTER PUMP WAS REPLACED. OPS CHECK NORMAL.
- [SDR CALA2026101920461](https://openairdocs.org/sdr/CALA2026101920461.md): Hmu · faulty · Oct 14, 2026 · N71411 · Boeing 737924 · Fuel Controlling System
  > REJECTED TAKEOFF AT APPROX 90 KIAS DUE TO E2 NOT ACHIEVING REQD T/O THRUST. REMOVED HMU, REMOVED FUEL PUMP PACKAGE IAW AMM 73-11-01-000-801-F00. INSTALLED NEW HMU & FUEL PUMP.
- [SDR DALA2026093005448](https://openairdocs.org/sdr/DALA2026093005448.md): Engine · failed · Sep 29, 2026 · N380DA · Boeing 737832 · Engine (Turbine/Turboprop)
  > ATB/IFSD/DE- AIR RETURNED TO IND DUE TO RIGHT ENGINE FAILURE. ENGINE REMOVED AND REPLACED. (9503679) AIRCRAFT WAS GROUNDED
- [SDR CALA2026092919959](https://openairdocs.org/sdr/CALA2026092919959.md): Wire Harness · faulted · Sep 28, 2026 · N33289 · Boeing 737824 · Engine Fuel System Wiring
  > REPLACE NR 2 ENG MW0311 HARNESS IAW AMM 73-21-06-400-802-F00, BEFORE DEPARTING SFO DUE HISTORY OF NO BLEED ON NR 2 ENGINE. STARTED REMOVAL OF MW0311 HARNESS FROM FIREWALL DOWN TO STRUT FAIRING. REMOVED AND INSTALLED MW0311 IAW AMM 73-21-06-400-802-F00. REF
- [SDR CALA2026093020013](https://openairdocs.org/sdr/CALA2026093020013.md): Socket · faulted · Sep 28, 2026 · N73283 · Boeing 737824 · Emergency Lighting
  > LEFT AFT EXTERIOR OVERWING EMERGENCY LIGHT INOPERATIVE. RELAMPED. NO HELP. FOUND LAMP SOCKET ASSY FAULTY. REPLACED SOCKET ASSY. OPS CHKS NORMAL.
- [SDR SCNA20260922407](https://openairdocs.org/sdr/SCNA20260922407.md): Engine · no discrepancy · Sep 21, 2026 · N849SY · Boeing 737800* · Engine (Turbine/Turboprop)
  > 848456 ENGINE NUMBER 1 NOTICED SMOKE AND STRANGE SMELL COMING FROM FRONT OF ENGINE COMPLETED INLET AND EXHAUST INSPECTION REF AMM 71-00-00-800-802-F00 NO DEFECTS FOUND OK FOR SERVICE.
- [SDR CALA2026092119570](https://openairdocs.org/sdr/CALA2026092119570.md): Battery Pack · faulted · Sep 16, 2026 · N73299 · Boeing 737824 · Emergency Lighting
  > EMERGENCY LIGHT BATTERY PACK M1676 FAILED AN OPS CHECK. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY PACK AT M1676 IAW AMM 33-51-06-960-805 OPS CHECK GOOD.
- [SDR DALA2026091505153](https://openairdocs.org/sdr/DALA2026091505153.md): Shutoff Valve · faulted · Sep 15, 2026 · N776DE · Boeing 7378EH · Pneumatic Distribution System
  > ATB- RETURNED TO MIA DUE TO ABSENCE OF BLEED PRESSURE FROM RT ENGINE. REPLACED RT PRSOV, BLEED OPS CHECK GOOD. REPLACED 390 & 450 DEGREE SENSORS AS A PRECAUTION. (LP 8944148 - AIRCRAFT WAS GROUNDED)
- [SDR CALA2026091819537](https://openairdocs.org/sdr/CALA2026091819537.md): Fseu · faulted · Sep 15, 2026 · N39297 · Boeing 737824 · Leading Edge Slat Control System
  > CREW REJECTED TAKEOFF DUE TO A SLAT TRANSIT LIGHT. CREW REPORTED RTO WAS AT 138KTS, MAX REVERSE, 157300LBS AND OAT 13C.TOMC SMITH UPDATED MAA CODE FIX USING VENDOR MAA SCREEN PLEASE CONTACT TOMC BEFORE COMMENCING ANY WORK. INVESTIGATE AND REPORT FINDINGS TO
- [SDR CALA2026091819536](https://openairdocs.org/sdr/CALA2026091819536.md): Autothrottle Sys · faulted · Sep 14, 2026 · N30401 · Boeing 737924 · Auto Throttle System
  > AUTOTHROTTLE DID NOT ENGAGE ON TAKEOFF AFTER MULTIPLE ATTEMPTS DURING INITIAL EVALUATION FOUND TAT AT + 99 DEGRESS R/R TAT PROBE IAW AMM 34-21-06, INSTALLATION TEST GOOD, PERFORMED A/T OPERATIONAL TEST IAW AMM 22-31-00 AND FIM 22-32 TASK 810, A/T ENGAGED.
- [SDR CALA2026091119367](https://openairdocs.org/sdr/CALA2026091119367.md): Filter · odor · Sep 9, 2026 · N33209 · Boeing 737824 · Air Distribution System
  > C/P AND F/O REPORTED ODOR IN FLIGHT DECK. ENTERING FLIGHTDECK NO SMELL OF ODOR AFTER GETTING TO GATE UNABLE TO RUN PACK 1 LONG ENOUGH TO VERIFY ODOR DOES NOT RETURN, PER AMM TASK 05-51-26-800-801-C1, AS PACK 1 IS CURRENLTY FAULTING REF LOG PAGE 3276326. AMM RE
- [SDR DALA2026090905061](https://openairdocs.org/sdr/DALA2026090905061.md): Engine · power loss · Sep 8, 2026 · N774DE · Boeing 7378EH · Turbine Engine Compressor Section
  > ATB/DE- DUE TO LEFT ENGINE SHUTTERED AND ROLLED BACK TO 60% N1 DURING CLIMB. PERFORMED HPC BSI FOUND MULTIPLE RIPS AND TEARS, REMOVED AND REPLACED ENGINE. (9626016) AIRCRAFT WAS GROUNDED
- [SDR CALA2026083119037](https://openairdocs.org/sdr/CALA2026083119037.md): Unknown · odor · Aug 28, 2026 · N26215 · Boeing 737824 · Air Distribution System
  > PACK AIR PRESSURE IS WEAK WHEN USING APU BLEED. WHEN ON ENGINE BLEED AIR SMELLS BAD DEBRIEF CREW. NOTED ODOR ONLY (NO SMOKE) ON TAKE OFF, CRUISE NORMAL, DESCENT ODOR RETURNED. NO ODOR NOTED BY F/A'S. PERFORM SMOKE/ODOR IN FLIGHT DECK/CABIN- CONDITIONAL INSP
- [SDR CALA2026083119067](https://openairdocs.org/sdr/CALA2026083119067.md): Door Latch · faulty · Aug 28, 2026 · N33262 · Boeing 737824 · Fixed Inner Doors
  > FLIGHT DECK DOOR BLOWOUT PANELS OPENED FROM BUMP, UNABLE TO SECURE LOCKED FOR POSITIVE FIX. IAW CMM 52-51-02. FOR CMM REF AND PARTS BREAKDOWN. R & R FLT DECK DOOR LATCH CMM 52-51-02. PERFOMED OPS CHECK ON FLIGHT DECK DOOR IAW AMM 52-52-02.
- [SDR CALA2026083119066](https://openairdocs.org/sdr/CALA2026083119066.md): Wire Harness · damaged · Aug 26, 2026 · N39297 · Boeing 737824 · Engine Indicating System Wiring
  > BIRD STRIKE. INSPECTION REQUIRED IAW AMM. BIRD STRIKE ON DEPARTURE OUT OF DEN. HIT FLOCK OF BIRDS AT HIGH AOA SHORTLY AFTER TAKEOFF. SAW 5 OR MORE BIRDS BELIEVE THERE WERE AT LEAST TWO IMPACTS.ALTITUDE WAS APPROX 5400 MSL, 170 KIAS, RT SIDE OF ACFT ON GLARE
- [SDR CALA2026082618925](https://openairdocs.org/sdr/CALA2026082618925.md): Module · faulted · Aug 23, 2026 · N45440 · Boeing 737924ER · Aircraft Fuel Distribution System
  > RECEIVED BOTH FWD & AFT LOW PRESSURE FUEL LIGHTS ON NR 1 ENGINE MAIN TANK, DURING CLIMB. IAW FLT CREW, FUEL FLOW INDICATIONS WERE NORMAL ON BOTH ENGINES. PERFORMED INITIAL TROUBLESHOOTING OF NR 1 FUEL FWD & AFT ENG FUEL FEED PUMP FUNCTIONAL TEST IAW AMM 28-2
- [SDR CALA2026081718673](https://openairdocs.org/sdr/CALA2026081718673.md): Skin · cracked · Aug 15, 2026 · N14214 · Boeing 737824 · Wing Miscellaneous Structure
  > LEFT WING LOWER SKIN AT STR 9, DURING HFEC INSPECTION, A CRACK WAS FOUND AT OTBD MOST FASTENER. REF EA5725-01143 REVISION B OP. 003, SEQ 4. REFERENCE LP9951108 DIP GENERATED. PERFORMED REPAIR ON LT WING LOWER SKIN AT STR 9 AREA, ALL WORKS WERE ACCOMPLISHED I
- [SDR CALA2026081318565](https://openairdocs.org/sdr/CALA2026081318565.md): Skin · gouged · Aug 12, 2026 · N13248 · Boeing 737824 · Fuselage Main, Plate/Skin
  > REPAIR ACCOMPLISHED REFERENCE LAUNCH NR 00017 PER ECRA 5310-09006.
- [SDR CALA2026081218522](https://openairdocs.org/sdr/CALA2026081218522.md): Egt Indication · activated · Aug 9, 2026 · N18223 · Boeing 737824 · Engine EGT/TIT Indicating System
  > NR 1 ENG, HIGH EGT, EMERGENCY EGT RETURNED TO NORMAL. NR 1 ENGINE PERFORMED VISUAL INSP. INLET AND EXHAUST NO DSCREPANCIES. PERFROMED EEC BITE NO CURRENT OR FAULT HISTORY FAULTS, EXCEEDANCE BOX RED WITH RECORDED TEMP. 969 PEAK 10.4 SEC. & 963 PEAK.03 SECS.
- [SDR CALA2026080318219](https://openairdocs.org/sdr/CALA2026080318219.md): Shutoff Valve · faulted · Aug 2, 2026 · N36272 · Boeing 737824 · Pneumatic Distribution System
  > BURNING ODOR ON TO LT DUCT PRESS 85. RT DUCT PRESS 45, PERFORMED WALK AROUND, NO EXTERNAL FINDINGS NOTED. C/W TASK 05-51-26-800-801-C1 CONDITIONAL INSPECTIONS FOR SMOKE IN CABIN. FOUND NO FURTHER INDICATIONS OF BURNING ODOR. CONTINUED TO TROUBLESHOOTING LT D
- [SDR CALA2026081018429](https://openairdocs.org/sdr/CALA2026081018429.md): Warning Message · illuminated · Aug 2, 2026 · N36247 · Boeing 737824 · Central Warning
  > RTO DUE TO T/O CONFIG. WHILE DEBRIEFING THE CREW THE FOLLOWING INFORMATION WAS FOUND: SPEED AT REJECTION: 115KTS RTO ENGAGED THE BRAKES TILL ABOUT 60KTS (SMOOTHLY) A/C WEIGHT: 147.7 P. ALT: 680 FT OAT: 21 C THRUST REVERSE: YES ACP CONDITIONAL INSPECT. OF NLG &
- [SDR CALA2026080518309](https://openairdocs.org/sdr/CALA2026080518309.md): Stub Frame · cracked · Jul 31, 2026 · N33292 · Boeing 737824 · Fuselage Main, Structure
  > CRACK FOUND AT R1 FWD GALLEY DOOR STUB FRAME JOGGLE AREA. CRACK LENGTH, 0.75". REF AAR N/R 100059794. REMOVED AND REPLACED R1 DOOR STUB FRAME IAW SRM 51-40-02-0G-0 AND DRAWING 141A8370 SHEET 9, 10, 11, AND DRAWING 141A8380 SHEET 15.
- [SDR CALA2026082718948](https://openairdocs.org/sdr/CALA2026082718948.md): Fitting · cracked · Jul 30, 2026 · N26232 · Boeing 737824 · Fuselage Main, Frame
  > BS 663.75 FRAME FITTING & FAIL SAFE STRAP AT S18A, CRACKED AT RT TOP LOWER AFT FASTENER ON FRAME FITTING, AFTER CLEAN UP LOCKED BY TOMC FOR MX FERRY TO RFD. FERRY FLIGHT COMPLETED ACCOMPLISHED REPLACEMENT OF RIGHT BS 663.75 REAR SPAR FRAME ASSEMBLY IAW ECRA
- [SDR CALA2026073118134](https://openairdocs.org/sdr/CALA2026073118134.md): Computer · faulty · Jul 29, 2026 · N34222 · Boeing 737824 · Air Collision Avoidance System
  > TCAS FAIL FLAG ON NAVIGATION DISPLAY SHOWS WITH ATC TRANSPONDER SELECTOR AT TA AND SHOWS WITH SELECTOR AT TA/RA FAULT NOT PRESENT, FOLLOWING FIM 34-45 TASK 821, TCAS OPERATIONAL CHECK PASSES AND TCAS BITE PASSES. FURTHER TROUBLESHOOTING REQUIRED. PERFORMED PSE
- [SDR CALA2026072718036](https://openairdocs.org/sdr/CALA2026072718036.md): Pressure Switch · faulted · Jul 24, 2026 · N73251 · Boeing 737824 · Fuel Controlling System
  > ENG 2 FILTER BYPASS LIGHT ILLUM AT CRUISE ONCE CENTER PUMPS EMPTIED. FOUND INPUT MONITOR FOR NR 2 ENG INDICATING FILTER BYPASS CLOG. IAW FIM 73-05, TASK 801. FILTER DIFFERENTIAL PRESSURE SWITCH MUST BE CHANGED. REPLACED FUEL FILTER CLOGGED DPI SWITCH IAW AM
- [SDR CALA2026072918088](https://openairdocs.org/sdr/CALA2026072918088.md): Engine · vibration · Jul 24, 2026 · N33262 · Boeing 737824 · Engine (Turbine/Turboprop)
  > 2 ENGINE VIB 4.0
- [SDR SCNA20260713296](https://openairdocs.org/sdr/SCNA20260713296.md): Engine · fod · Jul 12, 2026 · N816SY · Boeing 7378Q8 · Engine (Turbine/Turboprop)
  > NR 1 ENG VIB WENT TO 4.0 - RAN CHKLST, RETURNED TO MSP. DECLARED EMERGENCY BLEW OUTER MLG TIRE ON T/O. COMPLTD TIRE TREAD/BURST INSP IAW AMM 05-51-54. NO DEFECTS. NR 4 TIRE REPLACED. ENG CHANGE C/W - W/O 106195, NR00001. EVIDENCE OF TIRE INGEST FOUND, FAN S
- [SDR SCNA20260708285](https://openairdocs.org/sdr/SCNA20260708285.md): Pressure Switch · bypassing · Jul 8, 2026 · N822SY · Boeing 7378BK · Engine Fuel Distribution
  > LOG 834743 - NR 2 FILTER BYPASS LIGHT ILLUMINATED. PERFORMED FIM TASK 73-05 TASK801. NO FAULTS FOUND. REPLACED NR 2 ENG. FUEL FILTER AND NR 1 ENG. FUEL FILER PERCAUTIONARY. REMOVED AND REPLACED NR 2 ENG. FUEL DIFF. PRESSURE SWITH PER AMM AMM 73-34-1. NO LEAKS
- [SDR DALA2026070804010](https://openairdocs.org/sdr/DALA2026070804010.md): Compressor · damaged · Jul 6, 2026 · N389DA · Boeing 737832 · Turbine Engine Compressor Section
  > IFSD/DIV/DE- DUE TO RT ENGINE FAILURE DURING CLIMB. CREW HEARD A LOUD BANG AND THE RIGHT ENGINE ROLLED BACK AND WAS SHUT DOWN. FOUND LPT DAMAGED, ENGINE CHANGE REQUIRED. AIRCRAFT WAS GROUNDED.
- [SDR DALA2026063003856](https://openairdocs.org/sdr/DALA2026063003856.md): Fan · out of balance · Jun 29, 2026 · N3737C · Boeing 737832 · Engine (Turbine/Turboprop)
  > ATB/DE- DUE TO RIGHT ENGINE FAN VIBRATION 4.2 AND HAD TO REDUCE THROTTLE TO KEEP VIB BELOW LIMITS. PERFORMED FAN TRIM BALANCE VIB NOW AT 1.8. (LOG 8365005 - AIRCRAFT WAS GROUNDED).
- [SDR CALA2026063017495](https://openairdocs.org/sdr/CALA2026063017495.md): Actuator · leaking · Jun 29, 2026 · N14214 · Boeing 737824 · Compressor Bleed Valve
  > FUEL LEAK IN NU 1 ENGINE NU ENGINE SHUT DOWN PER FM. OBSERVED 80 0LB IMBAL IN 30 MIN.30MIN DNCREW DE-BRIEF. ENG 1 SHUT DOWN WAS COMMANDED PER QRH FOR 800LBS LF TANK IN 30 MIN OR LESS. ENG SHUTDOWN TIME 0300Z. NO UPLIFT IN FF WHILE LEFT TANK WAS INDICIATION FU
- [SDR DALA2026061703620](https://openairdocs.org/sdr/DALA2026061703620.md): Egt Indication · illuminated · Jun 15, 2026 · N376DA · Boeing 737832 · Engine EGT/TIT Indicating System
  > ATB/DE- DUE TO LEFT ENGINE AREA B EGT EXCEEDANCE DURING CLIMB. FOUND EGT SECTOR 2 (BOTTOM RIGHT) SIGNAL OUT OF RANGE AND REPLACED CJ9 HARNESS. (LOG 8669820 - AIRCRAFT WAS GROUNDED).
- [SDR DALA2026051202968](https://openairdocs.org/sdr/DALA2026051202968.md): Inlet · damaged · May 12, 2026 · N3771K · Boeing 737832 · Engine Air Intake System
  > AIR TURN BACK DUE TO LEFT ENGINE VIBRATIONS WITH AN ASSOCIATED ODOR REPORTED BY THE FLIGHT CREW. MAINTENANCE REPLACED THE LEFT ENGINE DUE TO INLET DAMAGE IAW T/C 7100-004423LH ON LOG PAGE 1578973. OPS AND LEAK CHECK GOOD. (LOG 7984276 - AIRCRAFT WAS GROUNDED
- [SDR CALA2026042115577](https://openairdocs.org/sdr/CALA2026042115577.md): Engine · fire · Apr 21, 2026 · N47414 · Boeing 737924ER · Engine (Turbine/Turboprop)
  > RAMP OBSERVED FLAMES AND SMOKE IN ENG 1 TAIL PIPE ON SHUT DOWN. PERFORMED FIM 72-05 TASK 811 UP TO BUT NOT INCLUDED SECTION D STEP 5 NO DEFECTS NOTED OIL CONSUMPTION WITHIN LIMITS.
- [SDR CALA2026041615416](https://openairdocs.org/sdr/CALA2026041615416.md): Engine · vibration · Apr 13, 2026 · N73259 · Boeing 737824 · Engine (Turbine/Turboprop)
  > RETURN TO IAH FOR VERY HIGH AND AUDIBLE ENGINE VIBRATION IND WAS AS AT TOP OF SCALE MAXED OUT AFTER VISITING WITH THE PILOTS, THE VIBRATION INDICATIONS WERE COMING FROM THE RT ENG ONLY. RESONANCE SOUNDS WERE DISTINCTLY COMING FROM THE RIGHT SIDE. NO VIBRATI
- [SDR CALA2026040315053](https://openairdocs.org/sdr/CALA2026040315053.md): Engine · bird ingestion · Apr 3, 2026 · N79279 · Boeing 737824 · Engine (Turbine/Turboprop)
  > DURING CREW DEBRIEF, FLIGHT DECK CREW AND AFT STATION FLIGHT ATTENDANTS REPORTED ODOR FROM BLEED AIR SYSTEM ON ROTATION. AFTER IDENTIFYING BIRD STRIKE. ODOR DISSIPATED AFTER APPROXIMATELY 2 MINUTES. REQUIRES RUN IAW AMM 05-51-26-800-801-C1, SMOKE/ ODOR IN
- [SDR CALA2026031814656](https://openairdocs.org/sdr/CALA2026031814656.md): Hmu · faulted · Mar 15, 2026 · N77542 · Boeing 737824 · Fuel Controlling System
  > LEFT ENG EGT OVERTEMP DURING AIR RESTART. ENGINE EXCEEDANCES ON E1, PEAK: 795.5 AND RED: 725.0 0:15.6 SECONDS. PERFORMED HPT AND LPT STAGES 1-3 BOROSCOPE WITH NO LIMITING FINDINGS OBSERVERED. REMOVED NR 1 ENGINE HMU IAW AMM 73-21-10/401. IAW FIM TASK 80-05-8
- [SDR CALA2026030914429](https://openairdocs.org/sdr/CALA2026030914429.md): Seal · not seated · Mar 7, 2026 · N37273 · Boeing 737824 · Pneumatic Distribution System
  > REPEAT CHRONIC LVL 1 NR 2 BLEED TRIP OFF LIGHT ILLUMINATED DURING CLIMB APPROX FL100. SUSPECT HOT AIR PORTING TO THE BAR TRIPPING THE PRESSURE SWITCH. PERFORMED HIGH PRESS COMPRESSOR FRONT STATOR INSPECTION IAW AMM 72-32-00-200-801-F00. FOUND NO EVIDENCE O
- [SDR CALA2026021213745](https://openairdocs.org/sdr/CALA2026021213745.md): Probe · faulty · Feb 12, 2026 · N30401 · Boeing 737924 · Fuel Quantity Indicator
  > FUEL IMBALANCE ON TANK 1 DECREASING RAPIDLY. PERFORMED NR 1 TANK FQIS DRY RESISTANCE AND CAPACITANCE CHECK IAW AMM 28-41-21-710-801, FOUND F15, F1, F2, F3, F4, F5, F6 FQIS TANK UNITS OUT OF LIMITS. R & R NR 1 FQIS TANK UNITS OUT OF LIMITS F15, F1, F2, F3, F
- [SDR CALA2026021013659](https://openairdocs.org/sdr/CALA2026021013659.md): Stator · damaged · Feb 8, 2026 · N11206 · Boeing 737824 · Turbine Section
  > ON CLIMB OUT ENG 1 VIBE IND 4.3. TOMC CONTACTED.RETURN TO KDEN. AT CRUSIE VIB CAME DOWN TO 1.8- 2.3 PER CREW FOUND DAMAGE TO TURBINE BLDS LABOR HOURS UPDATE. PICTURES INCLUDED PICTURES INCLUDED. PICTURES INCLUDED. DUE DAMAGE TO AFT STAGE 4 ATP BLADE STATOR DAM
- [SDR SCNA20260129022](https://openairdocs.org/sdr/SCNA20260129022.md): Engine · no discrepancy · Jan 11, 2026 · N828SY · Boeing 7378F2 · Engine (Turbine/Turboprop)
  > MARSHALER SAW SPARKS COMING FROM NR 1 ENGINE. SHUTDOWN. MECHANIC SAYS IT WAS JUST SAND.
- [SDR DALA2026010800189](https://openairdocs.org/sdr/DALA2026010800189.md): Check Valve · faulted · Jan 8, 2026 · N3769L · Boeing 737832 · Engine (Turbine/Turboprop)
  > DE- DUE TO RIGHT ENGINE WOULD NOT ADVANCE BEYOND 55% N1 AFTER THROTTLE BACK. INSPECTED MCDS WITH NO FINDINGS. PERFORMED EEC BITE TEST WITH NO FAULTS. CLEARED PS3 LINES, REPLACED 5TH STAGE IP CHECK VALVE AND PT25 SENSOR. (LP 7725822, 1390481)
- [SDR CALA2026010212606](https://openairdocs.org/sdr/CALA2026010212606.md): Switch · faulted · Dec 29, 2025 · N75435 · Boeing 737924ER · Fuel Controlling System
  > ENG 2 FUEL FILTER BYPASS LIGHT ON ENG SLOW TO RESPOND AT IDLE POWER SETTING, ENG 2 FUEL FILTER BYPASS CAME ON DURING APPROACH AT AROUND 14,000. FT. IDLE POWER SETTNGS WERE SLOW TO RESPOND. N1/N2 IDLE FLUCTUATING AROUND 30-35. FLUCTUATION ON N1 ONLY, ON ENG 2 R
- [SDR CALA2025121012009](https://openairdocs.org/sdr/CALA2025121012009.md): Blade · damaged · Dec 5, 2025 · N77261 · Boeing 737824 · Turbine Engine Air Inlet Section
  > ACFT AIR TURN BACK DUE TO BIRD STRIKE, FOUND FAN BLADE DAMAGE ON RT ENG & MULTIPLE DAMAGE ON RT & LT TE FLAPS. BIRD STRIKE CONDITIONAL INSPECTION ACCOMPLISHED IAW AMM 5-51-18. FOUND DAMAGED. NO OTHER DAMAGE WAS FOUND, INCLUDING TO NR 1 ENGINE. DAMAGE WAS DUE
- [SDR K11A2025120100359](https://openairdocs.org/sdr/K11A2025120100359.md): Elec Connector · dirty · Dec 1, 2025 · N326FL · Boeing 737883 · Engine Fuel System Wiring
  > REJECTED TAKEOFF ENGINE NR 1 N1 AT 20% WHILE ENGINE NR 2 WAS AT 70% N2. REMOVED CLEANED AND RE-CONNECTED ELECTRICAL CONNECTORS ON NR 1 ENGINE EEC IAW SWPM 20-60-01. OPS CHECKED NR 1 ENGINE IAW AMM 71-00-00 NO DEFECTS NOTED AT THIS TIME.
- [SDR CALA2025112811566](https://openairdocs.org/sdr/CALA2025112811566.md): Anti-Ice Valve · faulted · Nov 24, 2025 · N14231 · Boeing 737824 · Engine Anti-Icing System
  > R COWL ANTI ICE LIGHT ILLUMINATED ON TO POWER. REDUCE THRUST. ANTI-ICE ON RTO AT 10KTS. COWL TAI VALVE IN THE OPEN POSITION AND DISCONNECTED AND STOWED CONNECTOR IAW DDP FOR MEL 3003D. APPLYING MEL. R & R NR 2 ENG ANTI-ICE TAI VALVE IAW MM 30-21-11-400-801.
- [SDR CALA2025111311178](https://openairdocs.org/sdr/CALA2025111311178.md): Pump · faulted · Nov 11, 2025 · N38467 · Boeing 737924ER · Turbine Engine Oil System
  > ENG 1 LOW QTY. RANGES FROM 12-0 PERCENT PHOTOS PHOTO REMOVED ENGINE 1 LUBRICATION UNIT REF TASK 79-21-01-000-801-F00 COMPLETED TO STEP 7(D). INSTALLED LUBRICATION UNIT IAW AMM 79-21-01-400-801-F00. PERFORMED 5 MIN ENGINE IDLE RUN ON NR 1 IAW AMM 3A TASK 71-
- [SDR CALA2025102810643](https://openairdocs.org/sdr/CALA2025102810643.md): Egt Indication · illuminated · Oct 25, 2025 · N37274 · Boeing 737824 · Engine (Turbine/Turboprop)
  > ENG 1 EGT EXCEEDENCE ON CLIMB OUT. NORMAL IND. WITH REDUCED POW ER NO EXCEEDANCE FOUND IN ENGINE 1 EXCEEDANCE. ENG TEMP WAS AT 942 CELCIUS FOR 84 SECONDS. PERFORMED AMM 71-00-00-800-804-F00 INSPECTION AFTER ENGINE OPS ABOVE LIMITS AND HIGH ENGINE STRESS STE

Next page: https://openairdocs.org/engine/cfm-international-cfm56-7b26-2-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 = 'CFM567B262'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/cfm-international-cfm56-7b26-2-series/reports

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