N991NN

Service difficulty reports · 42

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Query with SQL
duckdb -csv -c "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 n_number = 'N991NN' AND registry_match = 'registration'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR AALA202610217261Heatshrink · brokenAIRCRAFT WAS NOT GROUNDED: FORWARD SERVICE DOOR GIRT BAR RED NOTIFICATION PEALING OFF ON THE LEFT SIDE. REMOVED AND REPLACED FWD R1 DOOR GIRT BAR RED HEAT SHRINK ON LH SIDE AS REQUESTED. AARD 25-66-00-4.Oct 20, 2026 · N991NN · Boeing 737823 · Emergency EquipmentSDR AALA202607137364Sliding Window · jammedAIRCRAFT WAS NOT GROUNDED: FO EGRESS WINDOW WILL NOT OPEN. MAINTENANCE FOUND SCREW DISLODGED, ,RESECURED SCREW AS REQUIRED.Jul 12, 2026 · N991NN · Boeing 737823 · Flight Compartment WindowsSDR AALA202510164129Light · dislodgedAIRCRAFT WAS GROUNDED: EMERGENCY LIGHT AT 15C FELL OUT AND THE WIRE IS STICKING OUT INTO THE ISLE. REMOVED AND REPLACED 15C EMERGENCY LIGHT ON END BAY. PER CMM 25-23-67. OPERATIONAL CHECK GOOD.Oct 14, 2025 · N991NN · Boeing 737823 · Emergency LightingSDR AALA202509204956Slide · dislodgedAIRCRAFT WAS GROUNDED: AFTER PARKING, WHILE THEY WERE OPENING THE FORWARD ENTRY DOOR, THE CASING FOR THE EMERGENCY EXIT SLIDE CRACKED OPEN AND WEDGED THE SLIDE AND THE GIRT BAR ON THE GALLEY FLOOR, CAUSING THE DOOR TO BE STUCK ABOUT A QUARTER OPEN. REMOVED ANDSep 17, 2025 · N991NN · Boeing 737823 · Escape SlideSDR AALA202509172714Door Latch · lack of lubeAIRCRAFT WAS NOT GROUNDED: LAVATORY-D DOOR ON AFT LEFT SIDE. THE LOCKING MECHANISM IS DIFFICULT TO OPERATE AND IS LOCKING PEOPLE IN THE LAVATORY. CLEANED AND LUBED LATCH AT LAVATORY-D DOOR. OPERTIONAL CHECK GOOD. PER AMM 25-40-14.Sep 16, 2025 · N991NN · Boeing 737823 · Fixed Inner DoorsSDR AALA202506304348Processor · inaccurateAIRCRAFT WAS GROUNDED: ON TAKEOFF, WITH 2200LBS IN CENTER TANK, WE NOTICED THE CENTER FUEL QUANTITY RAPIDLY DECREASING AS WE PASSED BY 7,000FT, CENTER TANK RAPIDLY FELL TO 0.0 LBS INDICATED. WE RECEIVED A FMS MESSAGE 'VERIFY GROSS WEIGHT AND FUEL' - WITH NO WAJun 27, 2025 · N991NN · Boeing 737823 · Fuel Indicating SystemSDR AALA202506304331Float Switch · inaccurateAIRCRAFT WAS GROUNDED: ON TAKEOFF, WITH 2200LBS IN CENTER TANK, WE NOTICED THE CENTER FUEL QUANTITY RAPIDLY DECREASING AS WE PASSED BY 7,000FT, CENTER TANK RAPIDLY FELL TO 0.0 LBS INDICATED. WE RECEIVED A FMS MESSAGE 'VERIFY GROSS WEIGHT AND FUEL' - WITH NO WAJun 27, 2025 · N991NN · Boeing 737823 · Fuel Indicating SystemSDR AALA202506307238Compensator · fault messageAIRCRAFT WAS GROUNDED: ON TAKEOFF, WITH 2200LBS IN CENTER TANK, WE NOTICED THE CENTER FUEL QUANTITY RAPIDLY DECREASING AS WE PASSED BY 7,000FT, CENTER TANK RAPIDLY FELL TO 0.0 LBS INDICATED. WE RECEIVED A FMS MESSAGE 'VERIFY GROSS WEIGHT AND FUEL' - WITH NO WAJun 27, 2025 · N991NN · Boeing 737823 · Aircraft Fuel Distribution SystemSDR AALA202506306150Probe · fault messageAIRCRAFT WAS GROUNDED: ON TAKEOFF, WITH 2200LBS IN CENTER TANK, WE NOTICED THE CENTER FUEL QUANTITY RAPIDLY DECREASING AS WE PASSED BY 7,000FT, CENTER TANK RAPIDLY FELL TO 0.0 LBS INDICATED. WE RECEIVED A FMS MESSAGE 'VERIFY GROSS WEIGHT AND FUEL' - WITH NO WAJun 27, 2025 · N991NN · Boeing 737823 · Aircraft Fuel Distribution SystemSDR AALA202506302917Probe · fault messageAIRCRAFT WAS GROUNDED: ON TAKEOFF, WITH 2200LBS IN CENTER TANK, WE NOTICED THE CENTER FUEL QUANTITY RAPIDLY DECREASING AS WE PASSED BY 7,000FT, CENTER TANK RAPIDLY FELL TO 0.0 LBS INDICATED. WE RECEIVED A FMS MESSAGE 'VERIFY GROSS WEIGHT AND FUEL' - WITH NO WAJun 27, 2025 · N991NN · Boeing 737823 · Aircraft Fuel Distribution SystemSDR AALA202408307534Anti-Skid Sys · faultyAIRCRAFT WAS NOT GROUNDED: ON LANDING AUTO BRAKES DID NOT FUNCTION. AUTO BRAKE DISARM LIGHT ILLUMINATED IMMEDIATELY. REMOVED AND REPLACED ANTI-SKID AUTO BRAKE CONTROL UNIT. PER AMM 32-42-21.Aug 28, 2024 · N991NN · Boeing 737823 · Brake Anti-Skid SectionSDR AALA202406255388Tire · failedAIRCRAFT WAS GROUNDED: RIGHT OUTBOARD TIRE BLEW WHILE EXITING RUNWAY. CAPTAIN FELT RESISTANCE AT TAXI SPEED AS IF BRAKES WERE APPLIED ON THE RIGHT SIDE. A FEW SECONDS LATER THERE WAS A POP THAT WAS THOUGHT TO BE THE ANTI-SKID RELEASING. PILOTS COMMENTED THAT IJun 23, 2024 · N991NN · Boeing 737823 · TireSDR AALA202406252909Brake Assy · seizedAIRCRAFT WAS GROUNDED: RIGHT OUTBOARD TIRE BLEW WHILE EXITING RUNWAY. CAPTAIN FELT RESISTANCE AT TAXI SPEED AS IF BRAKES WERE APPLIED ON THE RIGHT SIDE. A FEW SECONDS LATER THERE WAS A POP THAT WAS THOUGHT TO BE THE ANTI-SKID RELEASING. PILOTS COMMENTED THAT IJun 23, 2024 · N991NN · Boeing 737823 · Landing Gear Brake SystemSDR AALA202404242946Bulb · inoperativeAIRCRAFT IN BASE MAINTENANCE: L2 EMERGENCY LIGHT INOPERATIVE. REMOVE AND REPLACED BULB. PER B737NG AMM 33-51-04.Apr 23, 2024 · N991NN · Boeing 737823 · Emergency LightingSDR AALA202404308860Skin · delaminatedAIRCRAFT IN BASE MAINTENANCE: RIGHT WING OUTBOARD FLAP LOWER SURFACE IS DELAMINATED. REPLACED RIGHT WING OUTBOARD AFT FLAP PER AMM 27-61-22.Apr 18, 2024 · N991NN · Boeing 737823 · Trailing Edge FlapsSDR AALA202403156478Tube · damagedAIRCRAFT WAS NOT GROUNDED: R2 SLIDE GIRT BAR REQUIRES HEAT SHRINK REPLACEMENT. PER AARD 24-66-00-4. **SUPPLEMENTAL REPORT FOR (AALA202403126478): REPLACED HEAT SHRINK ON R2 SLIDE GIRT BAR. PER AARD 24-66-00-4 **(CLOSED).Mar 11, 2024 · N991NN · Boeing 737823 · Emergency EquipmentSDR AALA202403126478Tube · missingAIRCRAFT WAS NOT GROUNDED: R2 SLIDE GIRT BAR REQUIRES HEAT SHRINK REPLACEMENT. PER AARD 24-66-00-4. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).Mar 11, 2024 · N991NN · Boeing 737823 · Emergency EquipmentSDR AALA202401227670Door · out of rigAIRCRAFT WAS GROUNDED: FORWARD ENTRY DOOR LIGHT ILLUMINATED ON TOUCHDOWN FLIGHT ATTENDANT STATES HANDLE HAD RAISED UP DURING DESCENT.**SUPPLEMENTAL REPORT FOR (AALA202401187670): PARTIAL WORK ACCOMPLISHED ACCOMPLISHED RIGGED DOOR. PER WORK CARD 08C83152006**(CJan 17, 2024 · N991NN · Boeing 737823 · Passenger/Crew DoorsSDR AALA202401187670Door · faultedAIRCRAFT WAS GROUNDED: FORWARD ENTRY DOOR LIGHT ILLUMINATED ON TOUCHDOWN FLIGHT ATTENDANT STATES HANDLE HAD RAISED UP DURING DESCENT.**SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).Jan 17, 2024 · N991NN · Boeing 737823 · Passenger/Crew DoorsSDR AALA202306132922Oven · odorAIRCRAFT WAS GROUNDED: DURING DESCENT, BURNING SMELL. IN COCKPIT AND CABIN. MAINTENANCE FOUND FOOD DEBRIS IN FORWARD GALLEY LEFT HAND OVEN. CLEANED AND RAN OVEN. NO DEFECTS OR SMELL NOTED.Jun 12, 2023 · N991NN · Boeing 737823 · Buffet/GalleysSDR AALA202302246537Door · noneAIRCRAFT WAS GROUNDED: FORWARD CABIN ENTRY DOOR L1 HANDLE MOVED TOWARD THE OPEN POSITION DURING TAXI IN. 60KT LIGHT "FWD ENTRY" IN COCKPIT. ACCOMPLISHED FORWARD DOOR CHECK AND ADJUSTMENT FOR SOFT UNLATCHING PER JOB CARD.Feb 22, 2023 · N991NN · Boeing 737823 · Passenger/Crew DoorsSDR AALA202302201111Oven · odorAIRCRAFT WAS NOT GROUNDED: GALLEY OVEN #1 IN FIRST CLASS EMITTING A BURNING ODOR. REMOVED AND REPLACED GALLEY OVEN #1 PER AMM 25-32-03. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.Feb 17, 2023 · N991NN · Boeing 737823 · Buffet/GalleysSDR AALA202204041356Bracket · looseAIRCRAFT WAS NOT GROUNDED: 1L GIRT BAR BRACKET LOOSE. RE TIGHTENED BRACKET AT 1L DOOR GIRT BAR PER AMM 25-61-00.Apr 1, 2022 · N991NN · Boeing 737 · Emergency EquipmentSDR AALA202201319527Hook · out of adjustAIRCRAFT WAS NOT GROUNDED: DOOR 1R GIRT BAR STUCK. ADJUSTED 1R GIRT BAR HOOKS.Jan 30, 2022 · N991NN · Boeing 737* · Emergency EquipmentSDR AALA202201068229Housing · brokenAIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT TRIM BROKEN AT SEAT 12C. REPLACED HOUSING WITH NEW IAW AMM 33-51-11, OPS CHECK GOOD.Jan 3, 2022 · N991NN · Boeing 737823 · Emergency LightingSDR AALA202112221519Slide · inoperativeAIRCRAFT WAS NOT GROUNDED: AFT RIGHT SLIDE IS PARTIALLY EXPOSED AT BOTTOM OF ENCLOSURE. ADJUSTED BOTTOM PORTION OF AFT RIGHT SLIDE PACK PER AMM 25-66-00.Dec 20, 2021 · N991NN · Boeing 737* · Escape SlideSDR AALA202112134383Light · looseAIRCRAFT WAS NOT GROUNDED: PASSENGER SEAT AT 16C ESCAPE PATH LIGHT LOOSE. SECURED 16C ESCAPE PATH LIGHT PER AMM 33-51-00.Dec 12, 2021 · N991NN · Boeing 737* · Emergency LightingSDR AALA202111196995Light · detachedAIRCRAFT WAS NOT GROUNDED: EXIT ROW LIGHT HANGING LOOSE AT SEAT 16ABC. REINSTALLED ROW 16ABC EXIT ROW LIGHT IAW CMM 25-23-67, OPS CHECK GOOD.Nov 17, 2021 · N991NN · Boeing 737* · Emergency LightingSDR AALA202107263698Cover · dislodgedAIRCRAFT WAS NOT GROUNDED: SEAT 16C EMERGENCY EXIT LIGHT COVER DETACHED. RESECURED PER AMM 33-51-11.Jul 25, 2021 · N991NN · Boeing 737823 · Emergency LightingSDR AALA202102269019Window · crackedAIRCRAFT WAS GROUNDED: R1 WINDOW OUTER PANE CRACKED IN CRUISE AT FL250. REPLACED R1 WINDOW WITH SERVICEABLE UNIT IAW WORKCARD 08L21056004.Feb 23, 2021 · N991NN · Boeing 737823 · Flight Compartment WindowsSDR AALA202010109015Smoke Detector · false indicationAIRCRAFT WAS NOT GROUNDED. AFT RIGHT LAVATORY SMOKE DETECTOR WENT OFF FOR APPROXIMATELY ONE MINUTE AT CRUISE. NO SMOKE, ODOR, OR HEAT SEEN OR FELT. SYSTEM RESET ITSELF NO FUTHER TROUBLE. SYSTEM CHECKS GOOD, PER AMM 26-14-00-501.Oct 9, 2020 · N991NN · Boeing 737823 · Smoke DetectionSDR AALA202006289006Battery Pack · missingAIRCRAFT WAS NOT GROUNDED BUT WAS IN SHORT TERM STORAGE: FOUND LEFT HAND EMERGENCY BATTERY UNDER AFT SIDE PANEL TO BE MISSING. INSTALLED BATTERY AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 33-51-06.Jun 27, 2020 · N991NN · Boeing 737823 · Emergency LightingSDR AALA201902049028Contact · brokenON INSPECTION OF THE EMERGENCY LIGHTS, FOUND THE EXIT SIGN AT THE L2 DOOR HAD FAILED TO ILLUMINATE. FOUND A BROKEN CONTACT AT CONNECTOR D10084. TERMINATED A NEW CONTACT IAW SWPM 20-30-12. OPS TESTED GOOD.Feb 2, 2019 · N991NN · Boeing 737823 · Emergency LightingSDR AALA201802289028Wire Harness · defectiveEMERGENCY LIGHT ON SEAT 16D-20D IS INOPERATIVE. REMOVED AND REPLACED NUMBER 4 BATTERY PACK PER AMM 33-51-06. OPERATIONS CHECK GOOD (SEE SDR AALA201802279035). ALSO REMOVED AND REPLACED HARNESS ON SEAT 16F TO RECEPTACAL D12836 PER ESO60882. THE AIRCRAFT WAS GRFeb 25, 2018 · N991NN · Boeing 737823 · Light System WiringSDR AALA201802279035Battery Pack · inoperativeEMERGENCY LIGHT ON SEAT 16D-20D IS INOPERATIVE. REMOVED AND REPLACED NUMBER 4 BATTERY PACK PER AMM 33-51-06. OPERATIONS CHECK GOOD. ALSO REMOVED AND REPLACED HARNESS ON SEAT 16F TO RECEPTACAL D12836 IAW ESO60882 THE AIRCRAFT WAS GROUNDED.Feb 25, 2018 · N991NN · Boeing 737823 · Emergency LightingSDR AALA201711069051Lens · missingAIRCRAFT WAS NOT GROUNDED. SEAT MOUNTED AFT WHITE EMERGENCY ESCAPE LIGHT AT SEAT 15D HAS A MISSING LENS COVER. INSTALLED LENS COVER PER AMM 33-51-11. OPERATIONAL CHECK GOOD.Nov 4, 2017 · N991NN · Boeing 737823 · Emergency LightingSDR AALA20170728009Brake · seizedTHE AIRCRAFT WAS GROUNDED. NUMBER 4 TIRE BLEW ON LANDING. THE FLIGHT CLEARED THE RUNWAY AND TURNED ONTO TAXI WAY Q WHERE IT STOPPED. ARFF RESPONDED, AND INVESTIGATED FOR A POTENTIAL FIRE, BUT NO ACTION WAS REQUIRED. THE PASSENGERS WERE DEPLANED AND BUSSED Jul 28, 2017 · N991NN · Boeing 737823 · BrakeSDR AALA201707119016Retaining Clip · dirtyAIRCRAFT WAS NOT GROUNDED. R1 DOOR GIRT BAR IS DIFFICULT TO ARM AND DISARM. CLEANED DEBRIS FROM GIRT BAR RETAINER CLIPS. OPERATIONAL CHECK PER AMM 25-66-01 GOOD.Jul 9, 2017 · N991NN · Boeing 737823 · Emergency EquipmentSDR AALA20170522011Transceiver · failedWEATHER RADAR FAILED DURING CLIMBOUT. CREW DECLARED AN EMERGENCY AND RETURNED TO DFW, LANDED OVERWEIGHT WITHOUT INCIDENT. MAINTENANCE REPLACED WEATHER TRANSCEIVER PER MM 34-43-41. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK. AIRCRAFT WAS GROUNDED.May 22, 2017 · N991NN · Boeing 737823 · Weather Radar SystemSDR AALA201704249023Gcu · faultyAIRCRAFT WAS GROUNDED. EMERGENCY DECLARED. FLIGHT DIVERTED DUE TO A RIGHT MAIN ELECTRICAL BUSS FAILURE. LANDING UNEVENTFUL. REMOVED AND REPLACED GENERATOR CONTROL UNIT 1 IAW AMM 24-21-81. OPERATIONAL CHECK GOOD.Apr 22, 2017 · N991NN · Boeing 737823 · AC Generator-AlternatorSDR AALA201704199016Light · brokenFOUND AFT RT FWD OF GALLEY EMERGENCY LT ASSY BROKEN. REPLACED EMERGENCY LT ASSY PER M/M 33-31-01, LT ASSY OPS TEST OK. THE AIRCRAFT WAS NOT GROUNDED.Apr 17, 2017 · N991NN · Boeing 737823 · Emergency LightingSDR AALA20170206010Lens · brokenFLOOR PROXIMITY EMERGENCY EXIT LIGHT BETWEEN FIRST CLASS AND THE FORWARD GALLEY HAS A BROKEN LENS COVER. REPLACED LENS COVER IAW AMM 33-51-00. OPERATIONAL CHECK GOOD.Feb 3, 2017 · N991NN · Boeing 737823 · Emergency Lighting
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