# Service difficulty reports: N998NN A list on [N998NN](https://openairdocs.org/aircraft/N998NN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR AALA202610129314](https://openairdocs.org/sdr/AALA202610129314.md): Valve · inoperative · Oct 8, 2026 · N998NN · Boeing 737823 · Potable Water System > AIRCRAFT WAS NOT GROUNDED: -- NO EMERGENCY DECLARED AND AIRCRAFT WAS NOT OVERWEIGHT FOR LANDING -- NO RUNNING WATER ON ALL 3 LAVATORIES SINKS AND RINSING WATER ON TOILETS. FILL/OVERFLOW VALVE FOUND PARTIALLY OPEN, VALVE FULLY CLOSED AND WATER TANK FULL, OPS C - [SDR AALA202605208156](https://openairdocs.org/sdr/AALA202605208156.md): Girt Bar · out of adjust · May 18, 2026 · N998NN · Boeing 737823 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: L1 SERVICE DOOR GIRT BAR DIFFICULT TO DISARM. ADJUSTED L1 SERVICE DOOR GIRT BAR. PER AMM 25-66-01. OPS CHECK GOOD. - [SDR AALA202604307464](https://openairdocs.org/sdr/AALA202604307464.md): Control Lever · stiff · Apr 29, 2026 · N998NN · Boeing 737823 · Landing Gear Selector > AIRCRAFT WAS GROUNDED: LANDING GEAR HANDLE VERY STIFF AND DIFFICULT TO GO FROM DOWN TO UP AND VERY DIFFICULT TO MOVE FROM UP POSITION TO OFF POSITION DURING THE AFTER TAKEOFF. REMOVE AND REPLACED LANDING GEAR CONTROL LEVER MODULE. PER AMM 32-31-11. OPS CHECK - [SDR AALA202604293577](https://openairdocs.org/sdr/AALA202604293577.md): Oven · burned out · Apr 28, 2026 · N998NN · Boeing 737823 · Buffet/Galleys > AIRCRAFT WAS GROUNDED: DESCENDING THROUGH 12000 A BURNING PLASTIC SMELL STARTED ON THE FLIGHT DECK. LEVELING AT 10000 FEET THE SMELL WAS IN THE CABIN AND REPORTED BY THE FLIGHT ATTENDANTS. TROUBLESHOT SMOKE ODOR FUMES, PER W/C 08L00021001. FOUND OVENS AS SOURC - [SDR AALA202604289314](https://openairdocs.org/sdr/AALA202604289314.md): Fan · failed · Apr 27, 2026 · N998NN · Boeing 737823 · Air Distribution Fan > AIRCRAFT WAS GROUNDED: A WAXY PLASTIC LIKE BURNING SMELL WAS NOTICED THROUGHOUT THE AIRPLANE DURING DESCENT, AROUND 3000 FT. THE ODOR WAS DETECTED BOTH IN THE FLIGHT DECK AND IN THE CABIN. ACCOMPLISHED SOF T/S J/C 08L00021001. FOUND LEFT RECIRCULATION FAN INOP - [SDR AALA202604204448](https://openairdocs.org/sdr/AALA202604204448.md): Girt Bar · loose · Apr 18, 2026 · N998NN · Boeing 737823 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: FOWARD SERVICE DOOR 1R LIFE RAFT ARMED BRACKET LOOSE. TIGHTENED GIRT BAR CLIP. - [SDR AALA202601220036](https://openairdocs.org/sdr/AALA202601220036.md): A/C Pack · odor · Jan 20, 2026 · N998NN · Boeing 737823 · Cabin Cooling System > AIRCRAFT WAS GROUNDED: DESCENDING THROUGH 10,000 FEET AT IDLE, FLIGHT ATTENDANT CALLED INDICATED SMELL IN CABIN LIKE DUST ON OILS. WHILE PERFORMING J/C 08L00021001 FOUND PACK 1 TO HAVE STRONG MUSTY AND OILY SMELL. ACCOMPLISHED JOB CARD 08L00021001. NO SMELL - [SDR AALA202601210036](https://openairdocs.org/sdr/AALA202601210036.md): Unknown · odor · Jan 20, 2026 · N998NN · Boeing 737823 · Air Distribution System > AIRCRAFT WAS GROUNDED: DESCENDING THROUGH 10,000 FEET AT IDLE, FLIGHT ATTENDANT CALLED INDICATED SMELL IN CABIN LIKE DUST ON OILS. WHILE PERFORMING J/C 08L00021001 FOUND PACK 1 TO HAVE STRONG MUSTY AND OILY SMELL. (OPEN). - [SDR AALA202601062271](https://openairdocs.org/sdr/AALA202601062271.md): Girt Bar · lack of lube · Jan 2, 2026 · N998NN · Boeing 737823 · Escape Slide > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANTS REPORTS THE GIRT BAR ON THE FORWARD SERVICE DOOR STICKS IN THE HOOKS. LUBRICANTED R1 DOOR GIRT BAR SPRING CLIPS. PER AMM 25-66-01. OPERATIONAL CHECK GOOD. - [SDR AALA202511269960](https://openairdocs.org/sdr/AALA202511269960.md): Slide · dislodged · Nov 25, 2025 · N998NN · Boeing 737823 · Escape Slide > AIRCRAFT WAS NOT GROUNDED: FOUND L1 DOOR HALF OPEN WITH SLIDE ARMED. LATCH ASSEMBLY PULLED FROM COVER ANS SLIDE HALF OUT. REMOVED AND REPLACED L1 DOOR SLIDE. PER 08L22125001. - [SDR AALA202508129736](https://openairdocs.org/sdr/AALA202508129736.md): Landing Gear · activation error · Aug 11, 2025 · N998NN · Boeing 737823 · Landing Gear Position and Warning > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT ORD. ACCOMPLISHED MAIN LANDING GEAR OPERATIONAL TEST, PER AMM 32-32-00. MAIN GEAR MANUAL EXTENSION SYST - [SDR AALA202508017022](https://openairdocs.org/sdr/AALA202508017022.md): Angle · cracked · Jul 29, 2025 · N998NN · Boeing 737823 · Fuselage Miscellaneous Structure > AIRCRAFT IN BASE MAINTENANCE: CRACK IN CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE AT STA 663, RBL 15. REPAIRED PER SRM 57-10-10-2R-5. - [SDR AALA202508018970](https://openairdocs.org/sdr/AALA202508018970.md): Angle · cracked · Jul 29, 2025 · N998NN · Boeing 737823 · Fuselage Miscellaneous Structure > AIRCRAFT IN BASE MAINTENANCE: CRACK IN CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE AT STA 663, RBL 35. REPAIRED PER SRM 57-10-10-2R-5. - [SDR AALA202508050862](https://openairdocs.org/sdr/AALA202508050862.md): Spring · corroded · Jul 18, 2025 · N998NN · Boeing 737823 · Elevator Structure > AIRCRAFT IN BASE MAINTENANCE: RIGHT HORIZONTAL STABILIZER ELEVATOR TAB CONTROL MECHANISM SPRINGS LOWER HARDWARE HAS EVIDENCE OF SURFACE RUST. REMOVED AND REPLACED RIGHT HORIZONTAL STABILIZER ELEVATOR TAB CONTROL MECHANISM SPRINGS LOWER HARDWARE AND PERFORMED S - [SDR AALA202508053631](https://openairdocs.org/sdr/AALA202508053631.md): Spring · corroded · Jul 16, 2025 · N998NN · Boeing 737823 · Elevator Structure > AIRCRAFT IN BASE MAINTENANCE: LEFT HORIZONTAL STABILIZER ELEVATOR TAB CONTROL MECHANISM SPRINGS LOWER HARDWARE HAS EVIDENCE OF SURFACE RUST. REMOVED AND REPLACED LEFT HORIZONTAL STABILIZER ELEVATOR TAB CONTROL MECHANISM SPRINGS LOWER HARDWARE AND PERFORMED SAT - [SDR AALA202501277974](https://openairdocs.org/sdr/AALA202501277974.md): Lamp · inoperative · Jan 25, 2025 · N998NN · Boeing 737823 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: L2 EXTERIOR EMERGENCY EXIT SLIDE LIGHT IS INOPERATIVE. RELAMPED L2 EXTERIOR EMERGENCY EXIT SLIDE LIGHT. OPERTIONAL CHECK GOOD. PER MM 33-51-04. - [SDR AALA202408288895](https://openairdocs.org/sdr/AALA202408288895.md): Audio Panel · smoke · Aug 27, 2024 · N998NN · Boeing 737823 · Communications System > AIRCRAFT WAS GROUNDED: ELECTRICAL BURNING SMELL EMANATING FROM VERY HOT NUMBER 2 RADIO PANEL. CONFIRMED SMOKE WAS COMING FROM AUDIO CONTROL PANEL NOT RADIO CONTROL PANEL REMOVED AND REPLACED AUDIO CONTROL PANE. PER AMM 23-51-20. - [SDR AALA202405019070](https://openairdocs.org/sdr/AALA202405019070.md): Indication Sys · unknown · Apr 30, 2024 · N998NN · Boeing 737823 · Fuel Quantity Indicator > AIRCRAFT WAS GROUNDED: ON DEPARTURE AT 8,000 FEET NOTICED IMBALANCE ON LEFT FUEL TANK. ACCOMPLISHED FAULT ISOLATION FOR UNEXPECTED FUEL CONFIGURATION MESSAGE.NO FAULTS NOTED PER TASK 28-41-00-810-820. - [SDR AALA202403012111](https://openairdocs.org/sdr/AALA202403012111.md): Tube · missing · Feb 29, 2024 · N998NN · Boeing 737823 · Emergency Equipment > AIRCRAFT WAS GROUNDED: RED WARNING TRIM ON FORWARD SERVICE DOOR GIRT BAR IS MISSING. INSTALLED RED WARNING SHRINK TUBE ON FORWARD SERVICE DOOR GRIT BAR. PER AMM 25-66-00. OK FOR SERVICE. - [SDR AALA202403014211](https://openairdocs.org/sdr/AALA202403014211.md): Battery · discharged · Feb 29, 2024 · N998NN · Boeing 737823 · Emergency Lighting > AIRCRAFT WAS GROUNDED: AFT RIGHT HAND SERVICE DOOR EMERGENCY PATH LIGHTS OUT. PERFORMED POWER SUPPLY BATTERY CHARGING. PER AMM 33-51-06. FOLLOWED FIM TASK 33-50-00-810-801, TEST OF EMERERGENCY LIGHTS GOOD NOW. - [SDR AALA202402272793](https://openairdocs.org/sdr/AALA202402272793.md): Battery · discharged · Feb 26, 2024 · N998NN · Boeing 737823 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: LEFT AFT EMERGENCY LIGHTS REMAIN ILLUMINATED WHEN ARMED. CHARGED EMERGENCY BATTERIES. PER AMM 33-51-06. - [SDR AALA202401238755](https://openairdocs.org/sdr/AALA202401238755.md): Handle · loose · Jan 22, 2024 · N998NN · Boeing 737823 · Fixed Inner Doors > AIRCRAFT WAS NOT GROUNDED: FORWARD LAVATORY DOOR HANDLE IS EXTREMELY LOOSE. FEELS LIKE IT'S ABOUT TO FALL OFF. ADJUSTED AND RE-AFFIXED LAVATORY DOOR HANDLE. FUNCTIONAL CHECK NORMAL. PER AMM 25-40-00. - [SDR AALA202307310660](https://openairdocs.org/sdr/AALA202307310660.md): Battery · inoperative · Jul 28, 2023 · N998NN · Boeing 737823 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: FORWARD FLIGHT ATTENDANT RIGHT FLASHLIGHT BATTERY INOPERATIVE. REMOVED AND REPLACED BATTERY PER AMM 25-64-00. - [SDR AALA202303226174](https://openairdocs.org/sdr/AALA202303226174.md): Unknown · out of adjust · Mar 21, 2023 · N998NN · Boeing 737823 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: GIRT BAR HOLDER ON R1 DOOR LOOSE. CLEANED AND ADJUSTED GIRT BAR RETAINING CLIPS PER AMM 25-66-01. - [SDR AALA202209164485](https://openairdocs.org/sdr/AALA202209164485.md): Bracket · lack of lube · Sep 14, 2022 · N998NN · Boeing 737 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: GIRT BAR BRACKET IS LOOSE ON DOOR 1R. LUBRICATED 1R GIRT BAR BRACKETS. - [SDR AALA202210118351](https://openairdocs.org/sdr/AALA202210118351.md): Indicator · faulty · Sep 3, 2022 · N998NN · Boeing 737 · Fuel Indicating System > AIRCRAFT WAS GROUNDED: FLIGHT DIVERTED TO PHX DUE TO FUEL INDICATION ISSUES. EMERGENCY WAS DECLARED. **SUPPLEMENTAL REPORT FOR AALA202209068351: PERFORMED FUEL QUANTITY INDICATING SYSTEM TEST PER AMM 28-41-00. NO FAULTS NOTED** (CLOSED) - [SDR AALA202209068351](https://openairdocs.org/sdr/AALA202209068351.md): None · none · Sep 3, 2022 · N998NN · Boeing 737 · Fuel Indicating System > AIRCRAFT WAS GROUNDED: FLIGHT DIVERTED TO PHX DUE TO FUEL INDICATION ISSUES. EMERGENCY WAS DECLARED. **SUPPLEMENTAL REPORT REQUIRED** (OPEN) - [SDR AALA202207119402](https://openairdocs.org/sdr/AALA202207119402.md): Threshold · loose · Jul 9, 2022 · N998NN · Boeing 737 · Fixed Inner Doors > AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY DOOR STICKS. TIGHTENED DOOR THRESHOLD SCREWS. OPERATIONAL CHECK GOOD PER AMM25-28-00. - [SDR AALA202206067087](https://openairdocs.org/sdr/AALA202206067087.md): Door · out of position · Jun 3, 2022 · N998NN · Boeing 737 · Fixed Inner Doors > AIRCRAFT WAS NOT GROUNDED: AFT LEFT LAVATORY DOOR OFF TRACK. RE-INSTALLED DOOR IN TRACK. OPERATIONAL CHECK NORMAL PER AMM 25-40-15. - [SDR AALA202205027137](https://openairdocs.org/sdr/AALA202205027137.md): Battery · inoperative · Apr 29, 2022 · N998NN · Boeing 737 · Emergency Equipment > AIRCRAFT WAS NOT GROUNDED: MEGAPHONE IN FIRST CLASS IS INOPERATIVE. REPLACED BATTERIES. OPERATIONAL CHECK GOOD. - [SDR AALA202204253372](https://openairdocs.org/sdr/AALA202204253372.md): Cover · inoperative · Apr 23, 2022 · N998NN · Boeing 737 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: COVER TO EXIT LIGHT ABOVE ISLE FOR OVER WING EXIT MISSING. INSTALLED COVER ON EXIT LIGHT ABOVE ISLE OVER WING EXIT AS REQUIRED. - [SDR AALA202112022335](https://openairdocs.org/sdr/AALA202112022335.md): Window · delaminated · Dec 1, 2021 · N998NN · Boeing 737* · Flight Compartment Windows > AIRCRAFT WAS GROUNDED: LEFT SIDE WINDOW DELAMINATED. LEFT SIDE WINDOW HEAT OVERHEAT LIGHT AT FLIGHT LEVEL 320. TURNED OFF FOR 5 MIN PER QUICK REFERENCE HANDBOOK, LIGHT CAME BACK ON THEN TURNED OFF FOR DURATION OF FLIGHT. L2 WINDOW REMOVED AND REPLACED PER WORK - [SDR AALA202108244955](https://openairdocs.org/sdr/AALA202108244955.md): Housing · broken · Aug 23, 2021 · N998NN · Boeing 737823 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: SEAT 22C,MOUNTED EMERGENCY LIGHT HOUSING BROKEN. AT SEAT 22C FOUND EMERGENCY LIGHT HOUSING NOT BROKEN JUST UNINSTALLED AND SECURED WITH DUCT TAPE. INSTALLED LIGHT ASSEMBLY HOUSING AT SEAT 22C PER AMM 33-51-11. - [SDR AALA202105249021](https://openairdocs.org/sdr/AALA202105249021.md): Cover · damaged · May 21, 2021 · N998NN · Boeing 737823 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: SEAT 18C ESCAPE PATH LIGHTING COVER DAMAGED. REPOSITIONED 18C LIGHT COVER IAW STANDARD PRACTICES, OPS CHECK GOOD. - [SDR AALA2020012219018](https://openairdocs.org/sdr/AALA2020012219018.md): Coffeemaker · odor · Jan 19, 2020 · N998NN · Boeing 737823 · Buffet/Galleys > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANTS REPORTED BURNING ELECTRICAL SMELL IN AFT GALLEY. AFTER TURNING OFF POWER, COFFEE MAKER SMELL BECAME LESS INTENSE. BOTH COFFEE MAKERS REMAINED OFF FOR DURATION OF FLIGHT AS A PRECAUTION. MAINTENANCE TROUBLESHOT AND R - [SDR AALA201907249007](https://openairdocs.org/sdr/AALA201907249007.md): Lens · missing · Jul 23, 2019 · N998NN · Boeing 737823 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY LIGHT LENS MISSING AT 1R DOOR. MAINTENANCE REPLACED LIGHT ASSEMBLY PER AMM 33-50-00. - [SDR AALA201810309001](https://openairdocs.org/sdr/AALA201810309001.md): Float Valve · clogged · Oct 25, 2018 · N998NN · Boeing 737823 · Waste Disposal System > STRONG VOMIT ODOR NEAR THE L1 DOOR. NO VOMIT PRESENT. MAINTENANCE FOUND FWD SILL DRAIN FLOAT VALVE CLOGGED. REMOVED AND REPLACED IAW AMM 38-31-06. OPS CHECKED NORMAL. - [SDR AALA201803029029](https://openairdocs.org/sdr/AALA201803029029.md): Cover · missing · Mar 1, 2018 · N998NN · Boeing 737823 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED. DOOR 4L EXIT LIGHT COVER MISSING. REPLACED MISSING EMERGENCY EXIT LENS AT DOOR 4L PER AMM 33-51-01. - [SDR AALA201707289022](https://openairdocs.org/sdr/AALA201707289022.md): Sign · broken · Jul 26, 2017 · N998NN · Boeing 737823 · Emergency Lighting > AFT GALLEY EXIT LIGHT COVER IS BROKEN AT THE LT SIDE OF L2 DOOR. REPLACED THE LOWER EMERGENCY EXIT SIGN ASSY ON AFT GALLEY LT SIDE IAW AMM 33-51-01. OPS CHECKED GOOD. - [SDR AALA201706159040](https://openairdocs.org/sdr/AALA201706159040.md): Light · inoperative · Jun 14, 2017 · N998NN · Boeing 737823 · Emergency Lighting > RT AFT EMERGENCY LIGHT LENS INOPERATIVE. REMOVED AND REPLACED THE LIGHT BASE PLATE IAW AMM 33-51-00. OPS TESTED NORMAL. - [SDR AALA20161125006](https://openairdocs.org/sdr/AALA20161125006.md): Battery · discharged · Nov 22, 2016 · N998NN · Boeing 737800* · Emergency Equipment > FLIGHT ATTENDANT FLASHLIGHT AFT RIGHT OUTBOARD IS INOPERATIVE. REMOVED AND REPLACED THE BATTERY IAW AMM 25-64-00. OPERATIONAL CHECK GOOD. ## 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 n_number = 'N998NN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N998NN/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.