1. REPLACED RH WLG ALTERNATE EXTENSION ACTUATOR IAW AMM 32-36-01-004-001 REV 48A AND AMM 32-36-01-404-009 REV 48A. 2. PERFORMED R/H WLG ALTERNATE EXTENSION TEST IAW AMM 32-36-00-705-009 REV 48A, T - [SDR KCSA20251003950](https://openairdocs.org/sdr/KCSA20251003950.md): Actuator · failed · Sep 29, 2025 · N745CK · Boeing 747446 > 100272867: RIGHT WING GEAR FAILED TO EXTEND WITH ALTERNATE GEAR EXTENSION, DECLARED EMERGENCY. REMOVED AND REPLACED WING GEAR ALTERNATE ELECTRIC ACTUATOR. OPERATIONAL CHECK GOOD. NO DEFECTS NOTED. NO FURTHER ACTION REQUIRED AT THIS TIME (JACKED AIRCRAFT PERF - [SDR DXTA2025091704961](https://openairdocs.org/sdr/DXTA2025091704961.md): Actuator · defective · Sep 14, 2025 · N936QS · Cessna 680A > DURING LANDING GEAR EXTENSION WE RECEIVED GEAR DISAGREE L CAS MESSAGE FOLLOWED BY CROSS HATCHED LEFT MAIN GEAR INDICATION. FOLLOWED THE QRH USING THE LANDING GEAR BLOWDOWN AND MAIN MANUAL RELEASE HANDLE. WE NEVER GOT A 3 GREEN, LANDED NORMALLY. REPLACED LT ML - [SDR FDEA202509041635](https://openairdocs.org/sdr/FDEA202509041635.md): Actuator · failed · Sep 4, 2025 · N910FD · Boeing 757236 > GEAR DISAGREE AFTER TAKEOFF AND HANDLE RAISED. LEFT MAIN REMAINED DOWN. RAN QRH TO GET ALL GEAR DOWN ***EMERGENCY DECLARED*** PERFORM SYSTEM BIT TEST OF PSEU DISPLAY 999 AND 000. PERFORMED SENSOR AND TARGET TEST ON SYS 1 AND 2 AND BOTH READS FAR. R - [SDR 3EJA2025910000220](https://openairdocs.org/sdr/3EJA2025910000220.md): Actuator · out of adjust · Sep 1, 2025 · N837JS · Cessna 560XL > LANDING GEAR HANDLE IN UP POSITION, LANDING GEAR INDICATES- GEAR UP, BUT THE RED GEAR UNLOCKED LIGHT REMAIN ILLUMINATED WITH AN ASSOCIATED HYDRAULIC LIGHT. FOUND THAT THE LT MAIN LANDING GEAR WAS GETTING HUNG UP JUST SHORT OF ENGAGING WITH THE UP/LOCK. FOUND - [SDR 2025FA0000581](https://openairdocs.org/sdr/2025FA0000581.md): Actuator · failed · Aug 27, 2025 · N358JJ · Cessna 525B > AIRCRAFT OPERATOR REPORTED THAT AFTER TAKEOFF DURING CLIMB THE LEFT MAIN LANDING GEAR FAILED TO RETRACT AND WENT BACK DOWN INTO THE LOCKED POSITION. THE PILOT PERFORMED AND UNSCHEDULED LANDING. MAINTENANCE FOUND THE LEFT MAIN LANDING GEAR ACTUATOR HAD FAILED. - [SDR DXTA2025082604704](https://openairdocs.org/sdr/DXTA2025082604704.md): Actuator · faulted · Aug 23, 2025 · N824QS · Textrn TEXTRON700 > AFTER GEAR RETRACTION, AMBER "GEAR DISAGREE N" CAS MESSAGE APPEARED, FOLLOWED BY "GEAR DOOR OPEN" AND "GEAR CONTROL FAULT" AMBER CAS MESSAGES, AND THE AMBER HASH MARKS ACROSS THE VISUAL NOSE GEAR INDICATOR. RAN THE APPROPRIATE QRH CHECKLIST, GEAR LOWERED WITH - [SDR UIEA2025080701105](https://openairdocs.org/sdr/UIEA2025080701105.md): Actuator · no test · Aug 7, 2025 · N475MC · Boeing 74747UF > FOUND R/H BODY GEAR ACTUATOR ROTARY FUNCTIONAL TEST FAIL(
1. IAW AMM 32-35-01-004-001 REV 114 & AMM 32-35-01-404-007 REV 114 STEP A TO FCU RPL R/H BLG ALTERNATE ELEC ACTUATOR. 2. IAW AMM 32-35-00-715-059 REV 114 PERFORM R/H BODY GEAR ALTERNATE EXTENSION TEST - [SDR AALA202508067903](https://openairdocs.org/sdr/AALA202508067903.md): Actuator · failed · Jul 20, 2025 · N959AN · Boeing 737823 > AIRCRAFT WAS GROUNDED: THE NOSE GEAR DOORS OPENED WHILE ON APPROACH 4,000 AND 3,000 (VERY LOUD WIND NOISE).THE RED NOSE GEAR, RED GEAR LEFT AND RIGHT RED LIGHT UNSAFE WARNING LIGHTS INTERMITTENTLY ILLUMINATED WITH THE WARNING HORN WHILE THE GEAR HANDLE WAS IN - [SDR AALA202508011236](https://openairdocs.org/sdr/AALA202508011236.md): Valve · failed · Jul 20, 2025 · N959AN · Boeing 737823 > AIRCRAFT WAS GROUNDED: THE NOSE GEAR DOORS OPENED WHILE ON APPROACH 4,000 AND 3,000 (VERY LOUD WIND NOISE).THE RED NOSE GEAR, RED GEAR LEFT AND RIGHT RED LIGHT UNSAFE WARNING LIGHTS INTERMITTENTLY ILLUMINATED WITH THE WARNING HORN WHILE THE GEAR HANDLE WAS IN - [SDR SWAA2025071791871](https://openairdocs.org/sdr/SWAA2025071791871.md): Washer · loose · Jul 15, 2025 · N925WN · Boeing 7377H4 > DURING NOSE GEAR LUBRICATION; EXCESSIVE PLAY FOUND ON NOSE LANDING GEAR RETRACT ACTUATOR AT UPPER & LOWER ATTACH POINTS. INSTALLED REQUIRED WASHERS IAW AMM 32-33-11. INSPECTED PER AMM 32-33-11-401-NG (NOSE GEAR RETRACT ACTUATOR - REMOVAL/INSTALLATION - PER - [SDR DXTA2025071404176](https://openairdocs.org/sdr/DXTA2025071404176.md): Actuator · faulted · Jul 9, 2025 · N839QS · Textrn TEXTRON700 > AFTER TAKEOFF AND GEAR RETRACTION, HAD A YELLOW X FOR THE NOSE GEAR INDICATION ALONG WITH GEAR DISAGREE N. FOLLOWED QRH WHICH LED TO USING THE EMER GEAR RELEASE HANDLE FOR GEAR EXTENSION. RESULT WAS THREE GREEN INDICATION. PERFORMED FLY-BY AND TOWER CONFIRM - [SDR 3EJA2025091800425](https://openairdocs.org/sdr/3EJA2025091800425.md): Actuator · failed · Jun 26, 2025 · N833JS · Cessna 560XL > THE GEAR HANDLE WAS SELECTED UP, BUT THE RIGHT MAIN GEAR INDICATION REMAINED ILLUMINATED GREEN (DOWN AND LOCKED), WHILE THE OTHER TWO GEAR LIGHTS EXTINGUISHED AS EXPECTED. THERE WERE NO ASSOCIATED RED OR AMBER WARNINGS, AND NO ABNORMAL AIRCRAFT FEEDBACK SUGGES - [SDR 2025FA0000386](https://openairdocs.org/sdr/2025FA0000386.md): Actuator · failed · Jun 4, 2025 · N574BA · Airpts A5 > NOSE LANDING GEAR ACTUATOR FAILED ON ROLL OUT AND DAMAGED NOSE GEAR DOORS AND ACTUATOR ROD END AND SHAFT - [SDR DALA2025060604345](https://openairdocs.org/sdr/DALA2025060604345.md): Transformer · failed · May 31, 2025 · N899AT · Boeing 717200 > SHIP 9557 STRONG ELECTRICAL ODOR ON FINAL RIGHT S THE GEAR WENT DOWN AND FLAPS WENT TO 18 DEGREES. R/R TRANSFORMERS TI-5 AND T1-6.(T1-5 SMELLED BURNT) PER B717 SWPM 20-20-03. RT NOSE LDG AND TAXI LIGHT CKS OK. C/B FUNCTION NORMAL. REF B717 WDM 34-41-01 (72629 - [SDR UIEA2025052800702](https://openairdocs.org/sdr/UIEA2025052800702.md): Actuator · faulted · May 29, 2025 · N415MC · Boeing 74747UF > GEAR CONFIG WARNING ON TAKEOFF. R & R BODY L/H ACTUATOR AND OPS CHECK GOOD IAW AMM 32-53-11 & IPC 32-53-11-05A ITEM 65. - [SDR VNAA2025041411101](https://openairdocs.org/sdr/VNAA2025041411101.md): Actuator · inoperative · Apr 11, 2025 · N629NN · Cndair CL6002D24 > GEAR DISAGREE MASTER WARNING MSG ON TAKE OFF FOR NOSE GEAR. REMOVED AND REPLACED NLG RETRACT ACTUATOR IAW AMM 32-32-09-000/400-801-A01 OPS CHECK AND LEAK CHECK GOOD. - [SDR 2025FA0000233](https://openairdocs.org/sdr/2025FA0000233.md): Actuator · disengaged · Apr 3, 2025 · N627H · Cessna 550 > MARCH 19, 2025, A CESSNA S550 SUFFERED AN UN-COMMANDED NOSE LANDING GEAR (NLG) RETRACTION EVENT WHEN LANDING. AN INQUIRY OF THE NTSB AND FAA DATABASES FOR UN-COMMANDED GEAR EVENTS ON CESSNA 500 SERIES JET AIRCRAFT REVEALED MULTIPLE HITS. IN THE YEARS OF 2001, - [SDR AALA202504017334](https://openairdocs.org/sdr/AALA202504017334.md): Actuator · faulty · Mar 28, 2025 · N871AY · Boeing 7878 > AIRCRAFT WAS GROUNDED: AT GEAR DOOR RETRACTION A GEAR DOOR DISAGREE MSG APPEARED. NOSE CLOSED MAIN GEAR DID NOT SHOW CLOSED. DECESION MADE TO RETURN TO MIA AIRCRAFT LANDED OVERWIGHT WITHOUT ISSUE, NO EMERENCY DECLARED. MAINTENANCE REPLACED LH MLG TILT ACTUAT - [SDR SWAA2025033109965](https://openairdocs.org/sdr/SWAA2025033109965.md): Actuator · damaged · Mar 26, 2025 · N926WN · Boeing 7377H4 > NOSE WHEEL LANDING GEAR UNSAFE INDICATION ON TAKEOFF (RED GEAR LIGHT). LANDING GEAR EXTENDED NORMALLY. PSEU LIGHT ILLUMINATED ON LANDING<[01] INSTALLED NLG LOCK ACTUATOR PER AMM 32-33-21. OPS CHECK GOOD. LEAK CHECK GOOD.;[02] COMPLIED WITH RII INSPECTION OF NO - [SDR HEEA202403190001](https://openairdocs.org/sdr/HEEA202403190001.md): Actuator · inoperative · Mar 16, 2025 · N946PH · Skrsky S92A > ON INITIAL CLIMB OUT, LANDING GEAR FAILED TO RETRACT. EMERGENCY PROCEDURE PERFORMED AND GEAR HANDLE PLACED DOWN. DOWN LOCKED 3 GREEN INDICATION AND AIRCRAFT RETURNED TO BASE. - [SDR AALA202503100706](https://openairdocs.org/sdr/AALA202503100706.md): Actuator · vibration · Mar 8, 2025 · N989AN · Boeing 737823 > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: LOUD POP AND BANG IN NOSE GEAR BAY WHEN RETRACTING GEAR ON TAKEOFF, RECYCLED GEAR IN FLIGHT WITH MAJOR VIBRATION COMING FROM NOISE GEAR BAY IN FLIGHT. POSSIBLE THAT BAY DOORS ARE NOT CLOSING; AIRCRAF - [SDR DXTA2025030302522](https://openairdocs.org/sdr/DXTA2025030302522.md): Actuator · defective · Feb 26, 2025 · N540QS · Cessna 680A > GEAR DISAGREE N AMBER CAS: ENROUTE FL410 LOUD BANG FOLLOWED BY GEAR DISAGREE N AND SHADED NOSEGEAR. FELT NOSEGEAR WAS PARTIALLY DOWN. AT 180KIAS AT APPROX FL300 FELT ANOTHER JOLT AND ALL INDICATIONS WERE THE NOSEGEAR RETURNED TO THE UP POSITION. RECEIVED 3 GRE - [SDR Q5QA20250128001](https://openairdocs.org/sdr/Q5QA20250128001.md): Actuator · failed · Jan 28, 2025 · N687QD · Pilats PC1247 > THE AIRCRAFT WAS MOVED TO MAINTENANCE FOR A RIGHT MAIN LANDING GEAR ACTUATOR INDICATION PROBLEM, IT WAS DETERMINED THAT THE PROBLEM WAS INTERNAL TO THE ACTUATOR AND A REPLACEMENT ACTUATOR WAS ORDERED. DURING REMOVAL OF THE FAILED ACTUATOR, THE TECHNICIAN NOTIC - [SDR DXTA2025013102135](https://openairdocs.org/sdr/DXTA2025013102135.md): Actuator · failed · Jan 27, 2025 · N467QS · Emb EMB505 > LG LEVER DISAG RED CAS: LG LEVER DISAG RED CAS MEASAGE FOR THE NOSE GEAR UNPON EXTENTION. CYCLED THE GEAR AS PER THE QRH AND GOT THREE GREEN. REMOVED FAULTY NLG RETRACTION ACTUATOR, INSTALLED NEW NLG RETRACTION ACTUATOR. WORK PERFORMED IAW AMM 32-21-02, PERF - [SDR DXTA2025011501945](https://openairdocs.org/sdr/DXTA2025011501945.md): Actuator · malfunctioned · Jan 12, 2025 · N485QS · Emb EMB505 > COMING IN FOR LANDING AT CNM WE PUT THE LANDING GEAR DOWN AND DID NOT GET NLG INDICATION. WE ALSO GOT LANDING DISAGREE CAS MESSAGE WE WENT AROUND FOLLOWED THE QRH. BROUGHT LANDING GEAR BACK UP CYCLED THE GEAR WE GOT INDICATION ALL THREE DOWN AND LOCKED, CAME - [SDR 2025FA0000009](https://openairdocs.org/sdr/2025FA0000009.md): Actuator · failed · Jan 7, 2025 · N885FT · Piper PA44180 > CLEVELAND/PARKER HYDRAULIC ACTUATOR P/N11-17 CODE # 445-987. THE ACTUATOR FAILED SHORTLY AFTER TAKEOFF RESULTING IN A NOSE GEAR UP LANDING. AFT SECTION OF THE PART SEPARATED UNDER PRESSURE BY BLOWING OUT THE RETAINMENT C-CLIP AND PART OF THE RETAINMENT HOUSING - [SDR 3EJA837JS120224](https://openairdocs.org/sdr/3EJA837JS120224.md): Actuator · failed · Dec 2, 2024 · N837JS · Cessna 560XL > AFTER TAKEOFF, GEAR WAS SELECTED UP. GEAR UNLOCKED LIGHT REMAINED ILLUMINATED WITH ASSOCIATED HYDRAULIC PRESSURE LIGHT. MAINTENANCE ACTION: INSTALLED AN OVERHAULED ACTUATOR TO THE LH MLG. PERFORMED 10 GEAR SWINGS WITH NO FAULTS TO BE NOTED AT THIS TIME. PER Next page: https://openairdocs.org/jasc/3233/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 jasc_code = '3233' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/jasc/3233/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.