# Service difficulty reports: CFM International CFM56-5B3/3 series

A list on [CFM International CFM56-5B3/3 series](https://openairdocs.org/engine/cfm-international-cfm56-5b3-3-series.md).

Newest first. General aviation reporting is voluntary.

- [SDR DALA2026101205585](https://openairdocs.org/sdr/DALA2026101205585.md): Engine · bird ingestion · Oct 8, 2026 · N339DN · Airbus A321213 · Engine (Turbine/Turboprop)
  > PERFORMED AN AIR TURN BACK DUE TO NR 2 ENGINE BIRD STRIKE WITH VIBRATION AND ENGINE STALL ECAM MESSAGE. MTC FOUND FAN BLADE DAMAGE AND ENGINE REQUIRED BORESCOPE RESULTS WERE CLEAN. MTC REPLACED FAN BLADE SET AND PERFORMED WATER WASH OF ENGINE. (LP 9496934, 949
- [SDR DALA2026100505485](https://openairdocs.org/sdr/DALA2026100505485.md): Ecu · faulted · Oct 4, 2026 · N125DN · Airbus A321211 · Fuel Controlling System
  > DIVERTED TO CLE DUE TO #2 ENGINE FADEC A, B FAULT ALONG WITH THRUST LEVER FAULT. REPLACED ECU, OPS CHECKS GOOD. (LP 9168180 - AIRCRAFT WAS GROUNDED)
- [SDR DALA2026050702898](https://openairdocs.org/sdr/DALA2026050702898.md): Pump · failed · May 7, 2026 · N103DY · Airbus A321211 · Hydraulic Pump (Electric/Engine), Main
  > ATB - DUE TO LOSS OF THE GREEN SYSTEM HYDRAULIC FLUID. MANUAL GEAR EXTENSION PERFORMED. FOUND ENGINE 1 HYDRAULIC PUMP PRESSURE LINE DAMAGED. REPLACED NR 1 ENGINE DRIVEN PUMP, RETURN LINE, AND PUMP ELBOW PER AMM 29-00 AND AMM TASK 29-11-51-860-040-A.
- [SDR DALA2026050402790](https://openairdocs.org/sdr/DALA2026050402790.md): Compressor · stalled · May 3, 2026 · N122DN · Airbus A321211 · Turbine Engine Compressor Section
  > FLT. 0431 ATB-DEN-ATL DECLARED AN EMERGENCY AND RETURNED TO DEN DUE TO RIGHT ENGINE COMPRESSOR STALL. MAINTENANCE PERFORMED A BORESCOPE INSPECTION WITH NO FINDINGS. IP CHECK VALVE REMOVED AND REPLACED, OPS CHECK NORMAL. (LP 8699470, 8699472 - AIRCRAFT WAS GROU
- [SDR DALA2026050402791](https://openairdocs.org/sdr/DALA2026050402791.md): Generator · faulted · May 2, 2026 · N393DN · Airbus A321211 · AC Generator-Alternator
  > DIV - TO RDU DUE TO ELEC GEN 1 FAULT WITH APU ON MEL. REPLACED #1 IDG. (LP 8699274 - AIRCRAFT WAS GROUNDED)
- [SDR DALA2026021401046](https://openairdocs.org/sdr/DALA2026021401046.md): Eec · faulted · Feb 11, 2026 · N395DZ · Airbus A321211 · Fuel Controlling System
  > REJECTED TAKEOFF APPROXIMATELY 30 KNOTS DUE TO A YAW TO THE RIGHT. INSPECTED ALL BRAKE ASSEMBLIES FOR DRAGGING NO DISCREPENCIES FOUND REF. AMM 32-40. FOUND ENGINE 2 SLOW TO ACCELERATE, REPLACED NBR 2 ENGINE EEC IAW A321 AMM 73-21-60 AND FUNCTIONAL CHECK GOOD
- [SDR QEMY20251120001](https://openairdocs.org/sdr/QEMY20251120001.md): Seal · failed · Nov 20, 2025 · N446L · Airbus · Turbine Section
  > SEAL-ROTATING AIR HPT FRONT (FOS) THE SUBJECT FOS HAS FAILED FPI FOR CRACKS ON DIM E SEAL TEETH. FPI INDICATION "1 OFF CRACK 0.06" IN LENGTH GOING OVER INNER SEAL TEETH. 3 OTHER INDICATIONS ALSO OBSERVED; 0.04", 0.025", 0.015". DR 02298827 WAS REJECTED BY T
- [SDR DALA2025110408055](https://openairdocs.org/sdr/DALA2025110408055.md): O-Ring · leaking · Nov 3, 2025 · N350DN · Airbus A321211 · Turbine Engine Oil System
  > ATB- RETURNED TO FLL FOR MUSTY SMELL IN COCKPIT AFTER TAKEOFF. FOUND OIL BEHIND #2 ENGINE NOSE SPINNER, REPLACED NBR 2 ENGINE LPT SHAFT PLUG O'RINGS. COMPLIED WITH ENGINE 2 DECONTAMINATION OF BLEED AIR DUCTING SYSTEM PER A321 AMM 36-11-00-615-801-A01 AND ECS
- [SDR DALA2025073105732](https://openairdocs.org/sdr/DALA2025073105732.md): Bleed Air Sys · faulted · Jul 30, 2025 · N347DN · Airbus A321211 · Engine Bleed Air System
  > ATB DUE TO A RT ENGINE BLEED FAULT WITH A REPORTED MUSTY ODOR BY THE CABIN CREW. SYSTEM FAULTING THE PRV. REPLACED OVP, PRV, HPV, AND SENSE LINE 1 BETWEEN HP AND PRV.
- [SDR DALA2025051903828](https://openairdocs.org/sdr/DALA2025051903828.md): Engine · bird ingestion · May 19, 2025 · N101DQ · Airbus A321211 · Engine (Turbine/Turboprop)
  > SHIP 1001 - ATB - PERFORMED AN AIR TURN BACK DUE SUSPECT BIRD STRIKE/STALL ON ONE OF THE ENGINES. CORRECTIVE ACTION: CONFIRMED STALL ON LEFT ENGINE. COMPLETED BORESCOPE, REPLACED IP CHECK VALVE, AND HIGH-POWER RUN CHECK OUTS. (LP 7429912)
- [SDR DALA2025010200025](https://openairdocs.org/sdr/DALA2025010200025.md): Solenoid Valve · faulted · Jan 1, 2025 · N367DN · Airbus A321211 · Turbine Engine Compressor Section
  > SHIP 3067 -ATB- RETURNED TO SLC AND DECLARED AN EMERGENCY DUE TO LEFT ENGINE COMPRESSOR STALL. CORRECTIVE ACTION: REPLACED NBR 1 ENGINE PRV, PRV CONTROL SOLENOID, TLT, AND IP CHECK VALVE. (LP 6692554)
- [SDR DALA2024120711517](https://openairdocs.org/sdr/DALA2024120711517.md): Oil System · leaking · Dec 6, 2024 · N314DN · Airbus A321211 · Turbine Engine Oil System
  > SHIP 3014 -ATB- DUE TO ODOR IN THE FLIGHT DECK AND AFT CABIN. CORRECTIVE ACTION: FOUND OIL LEAK FROM LEFT ENGINE SPINNER, REPLACED LPT SHAFT O'RINGS. (LP 5805186)
- [SDR DALA2024112511214](https://openairdocs.org/sdr/DALA2024112511214.md): Hydraulic Line · damaged · Nov 25, 2024 · N326DN · Airbus A321211 · Hydraulic System, Main
  > SHIP 3026 - HYD - DUE TO HYD G RSVR LO LVL AND HYD G SYS LO PR ECAM MESSAGES. CORRECTIVE ACTION: FOUND HYDRAULIC SUPPLY LINE AND CLAMP AT ENGINE #1 EDP DAMAGED. REPLACED GREEN EDP HYDRAULIC PUMP, PRESSURE LINE AND CLAMP. OPS AND LEAK CHECK GOOD. (LP 6670196)
- [SDR DALA2024102110281](https://openairdocs.org/sdr/DALA2024102110281.md): Engine · stalled · Oct 20, 2024 · N315DN · Airbus A321211 · Engine (Turbine/Turboprop)
  > SHIP 3015 -ATB- RETURNED TO SLC DUE TO A #2 ENGINE STALL MESSAGE ACCOMPANIED BY A FADEC FAULT, LOUD POPS AND AIRCRAFT YAW. CORRECTIVE ACTION: PERFORMED BORESCOPE WITH NO DAMAGED NOTED. REPLACED T25 SENSOR AND ECU. PERFORMED HIGH POWER RUN, ALL PARAMETERS NORMA
- [SDR DALA2024092409398](https://openairdocs.org/sdr/DALA2024092409398.md): Sense Line · chafed · Sep 23, 2024 · N114DN · Airbus A321211 · Pneumatic Distribution System
  > SHIP 1014 - ATB - DUE TO RT ENGINE BLEED PRESSURE ABNORMAL MESSAGE. COULD NOT CONTINUE DUE TO ICING CONDITIONS ENROUTE. CORRECTIVE ACTION: FOUND SENSE LINE AT PRV CHAFFED THROUGH. REPLACED PRV, TLT, AND SENSE LINE. (LP 4018762)
- [SDR DALA2024081208056](https://openairdocs.org/sdr/DALA2024081208056.md): Hydraulic Line · leaking · Aug 12, 2024 · N378DN · Airbus A321211 · Hydraulic System, Main
  > SHIP 3078 - MISC/DE - DUE TO LOSS OF YELLOW HYDRAULIC QUANTITY (HYD Y RSVR LO LVL ECAM MESSAGE). CORRECTIVE ACTION: FOUND HYDRAULIC PRESSURE LINE AT RIGHT PYLON LEAKING/DAMAGED WITH TEFLON BUSHING WORN AWAY AT CLAMP. R/R YELLOW SYSTEM PRESSURE SUPPLY LINE, EDP
- [SDR DALA2024061306053](https://openairdocs.org/sdr/DALA2024061306053.md): Engine · overtemp · Jun 12, 2024 · N319DN · Airbus A321211 · Engine (Turbine/Turboprop)
  > ATB/IFSD- RETURNED TO TUS DUE TO FLIGHT CREW SHUTDOWN #2 ENGINE DUE TO EGT EXCEEDANCE. CORRECTIVE ACTION: FOUND EGT REACHED 976 DEGREES, REQUIRES ENGINE CHANGE DUE TO AREA C EGT EXCEEDANCE. PERFORMED BORESCOPE WITH NO FINDINGS, AMM ALLOWS 1 CYCLE NON-REVENUE F
- [SDR DALA2024032503754](https://openairdocs.org/sdr/DALA2024032503754.md): Valve · out of position · Mar 24, 2024 · N396DN · Airbus A321211 · Compressor Bleed Valve
  > SHIP 3096 - ATB - DUE TO DUAL ENGINE BLEED SYSTEM FAILURE. CORRECTIVE ACTION: PRV ON BOTH ENGINES FOUND TO NOT HAVE THE VALVE IPT/RPT SELECTOR CAP IN THE POST MOD POSITION. SYSTEMS OPERATED NORMALLY AFTER CORRECTIONS WERE MADE. (LP 5248666)
- [SDR DALA2024012801208](https://openairdocs.org/sdr/DALA2024012801208.md): Idg · faulted · Jan 27, 2024 · N120DN · Airbus A321211 · AC Generator-Alternator
  > SHIP 1020 - ATO - AT APPROX. 10 KTS DUE TO ELEC GEN 1 FAULT ECAM MESSAGE. CORRECTIVE ACTION: IDG 1 PLACED ON MEL 24-20-01A. (28JAN24 BWI - REPLACED NBR 1 IDG) (LP 5013544)
- [SDR DALA2023032902405](https://openairdocs.org/sdr/DALA2023032902405.md): Unknown · unknown · Mar 23, 2023 · N317DN · Airbus A321211 · Alternator-Generator Drive
  > SHIP 3017 - ATO - AT 100KTS DUE TO NBR 1 ENGINE IDG LOW OIL PRESSURE FAULT MESSAGE. CORRECTIVE ACTION: DEFERRED #1 IDG PER MEL 24-20-01A; R/R IDG. (LP# 4073536)
- [SDR DALA2023022801503](https://openairdocs.org/sdr/DALA2023022801503.md): None · none · Feb 24, 2023 · N120DN · Airbus A321211 · Air Conditioning System
  > SMOKE/OILY SMELL IN CABIN/ STARTED @ 10K UNTIL AT GATE. INSPECTED APU BLEED CHECK VALVE PER A321 AMM 36-12-15. NO SIGNS OF OIL. ACCESS PANEL TO ACCESS CHECK VALVE IS STILL REMOVED (HYD SERVICE PANEL). R/R BOTH CABIN RECIRC FILTER PER AMM 21-21 (TS 429411) INSP
- [SDR F3LA2023030100001](https://openairdocs.org/sdr/F3LA2023030100001.md): Precooler · ruptured · Dec 28, 2022 · N702FR · Airbus A321211 · Engine (Turbine/Turboprop)
  > AIR RETURN. STRONG BURNING ODOR IN COCKPIT & CABIN, PERFORMED TROUBLESHOOTING IAW TSM 05-50-00-810-831-A. PERFORMED APU INSPECTION IAW 49-00-00-200-814 NO LEAKS NOTED. RAN NR 1 PACK FOR 20 MINS NO ODOR NOTED. NR 1 ENG PRECOOLER FOUND LEAKING AND RUPTURE
- [SDR DALA2022100506483](https://openairdocs.org/sdr/DALA2022100506483.md): None · none · Oct 5, 2022 · N107DN · Airbus A321211 · Turbine Engine Compressor Section
  > SHIP 1007 -ATB- DUE TO SUSPECTED #2 ENGINE STALL. CORRECTIVE ACTION: PERFORMED BORESCOPE INSPECTION OF 4TH STG LPC, HPC, HPT AND 1ST STG LPT PER AMM WITH NO FINDINGS. INSPECTED MCD'S AND 4TH STG LPT WITH NO FINDINGS. REPLACED IP CHECK VALVE AS PRECAUTIONARY. (
- [SDR F3LA2022082300089](https://openairdocs.org/sdr/F3LA2022082300089.md): Egt Indication · overspeed · Aug 21, 2022 · N721FR · Airbus A321211 · Engine EGT/TIT Indicating System
  > DISCREPANCY: ENG2 2 EGT OVER LIMIT****SUPPLEMENTAL WILL BE SUBMITTED ONCE MORE INFORMATION BECOMES AVAILABLE****
- [SDR DALA2022062404422](https://openairdocs.org/sdr/DALA2022062404422.md): Idg · low pressure · Jun 24, 2022 · N317DN · Airbus A321211 · Alternator-Generator Drive
  > SHIP 3017 - ATB - DUE TO IDG 1 LOW OIL PRESSURE MESSAGE AND APU AUTO-SHUTDOWN AFTER STARTING. CORRECTIVE ACTION: REPLACED IDG 1 AND REPAIRED APU BY REPLACING FCU AND STARTER. (LP# 8997848)
- [SDR DALA2020012320539](https://openairdocs.org/sdr/DALA2020012320539.md): Blocker Door · cracked · Jan 22, 2020 · N338DN · Airbus A321211 · Engine Thrust Reverser
  > #2 ENG. O/B T/R, UPPER BLOCKER DOOR FWD O/B ANGLE CRACKED, REPLACED ANGLE REF ROHR CMM 78-32-35
- [SDR DALA2020012000389](https://openairdocs.org/sdr/DALA2020012000389.md): Angle · cracked · Jan 20, 2020 · N338DN · Airbus A321211 · Engine Thrust Reverser
  > NR 1 ENG O/B T/R UPPER BLOCKER DOOR FWD O/B ANGLE CRACKED, REPLACED ANGLE REF CMM 78-32-35, SUMMARY SEE NR FOR ADDITIONAL INFORMATION 001-0252:7100-3010-LT/004 00064.
- [SDR DALA2019040402205](https://openairdocs.org/sdr/DALA2019040402205.md): B-Nut · loose · Mar 30, 2019 · N328DN · Airbus A321211 · Hydraulic System, Main
  > SHIP 3028 - ALT GEAR EXT - LOST THE GREEN HYD SYSTEM QUANTITY ON CLIMB OUT. CREW PERFORMED ALT GEAR EXTENSION AND LANDED UNEVENTFULLY AT DESTINATION. CORRECTIVE ACTION: LOOSE "B" NUT FOUND ON CASE DRAIN LINE AT FILTER HOUSING ABOVE THE ENG-1 HYDRAULIC PUMP. TO
- [SDR AALA201808309023](https://openairdocs.org/sdr/AALA201808309023.md): Engine · vibration · Aug 28, 2018 · N157UW · Airbus A321211 · Engine Indicating System
  > DURING CRUISE AT FL340 AN ABRUPT VIBRATION WAS FELT AFTER SLOWING, REALIZED WAS COMING FROM LEFT ENGINE, VIBRATION WAS AS HIGH AS 2.0. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED A NR 1 ENGINE VIBRATION CHECK IAW AMM 71-00-00-710-009-B-6 AND FAN VIBRATION LESS T
- [SDR AALA201605109001](https://openairdocs.org/sdr/AALA201605109001.md): Engine · faulty · May 8, 2016 · N156UW · Airbus A321211 · Engine (Turbine/Turboprop)
  > AIRCRAFT WAS GNDED. DURING CRUISE NR 1 ENG EXPERIENCED COMPRESSOR STALL ACCOMPANIED BY HIGH EXHAUST GAS TEMPERATURES. ENG WAS SHUT DOWN. FLIGHT DIVERTED, EMER WAS DECLARED. R & R NR 1 EN IAW JOB CARD 26L40071001.
- [SDR ANCF2016012901](https://openairdocs.org/sdr/ANCF2016012901.md): Engine · failed · Jan 29, 2016 · N744AV · Airbus A321211 · Engine (Turbine/Turboprop)
  > DURING TAXI OUT, THERE WAS A SMELL FROM THE AIR CONDITIONING NOZZLE END, CLIMB POSTING 11000FT ENG 1 FAIL, NO INDICATION OF NR 2. ENG 1 WAS REMOVED & INSTALL A NEW ONE. ENG 1 PN CFM56B & SN 569969.

## 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 = 'CFM565B33'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/cfm-international-cfm56-5b3-3-series/reports

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