# Service difficulty reports: N993NN

A list on [N993NN](https://openairdocs.org/aircraft/N993NN.md).

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

- [SDR AALA202510312883](https://openairdocs.org/sdr/AALA202510312883.md): Unknown · odor · Oct 30, 2025 · N993NN · Boeing 737823 · Air Distribution System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: FLIGHT ATTENDANTS IN THE AFT CABIN REPORTED A STRONG BURNING SMELL OF A BURNING ELECTRICAL CABLE JUST AFTER TAKEOFF. THIS WAS ALSO REPORTED BY PASSENGERS IN THE LAST 6 ROWS OF THE CABIN. AIRCRAFT AIR INT
- [SDR AALA202510304348](https://openairdocs.org/sdr/AALA202510304348.md): Engine · failed · Oct 26, 2025 · N993NN · Boeing 737823 · Engine (Turbine/Turboprop)
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: NUMBER 2 ENGINE SHUT DOWN IN FLIGHT DUE TO LOSS OF OIL QUANTITY THEN LOSS OF OIL PRESSURE. AIRCRAFT EMERGENCY LANDED SAFELY AT CLT. REMOVED AND REPLACED NUMBER 2 ENGINE. PER J/C 08L40072003. ALL OPERATIO
- [SDR AALA202506043518](https://openairdocs.org/sdr/AALA202506043518.md): Sign · detached · Jun 3, 2025 · N993NN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: LEFT AFTER ENTRY DOOR EXIT SIGN COVER CAME LOOSE AND DETACHED. REMOVED AND REPLACED AFTER LEFT EMEGENCY DOOR LIGHT AND COVER. PER AMM 33-51-01. OPERTIONAL CHECKS GOOD.
- [SDR AALA202505286528](https://openairdocs.org/sdr/AALA202505286528.md): Door · stuck · May 26, 2025 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: AFT RIGHT LAVATORY DOOR STUCK AND IS HARD TO OPEN. RESECURED AFT RIGHT LAVATORY DOOR. PER CMM 25-40-64.
- [SDR AALA202505206727](https://openairdocs.org/sdr/AALA202505206727.md): Hinge · lack of lube · May 19, 2025 · N993NN · Boeing 737823 · Fuselage, Door Hinge
  > AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY DOOR DIFFICULT LOCK DIFFICULT TO OPEN. LUBRICATED DOOR HINGES AND LATCH. PER AMM 52-50-01. DOOR OPERTIONAL CHECKED GOOD.
- [SDR AALA202503202911](https://openairdocs.org/sdr/AALA202503202911.md): Control Unit · failed · Mar 19, 2025 · N993NN · Boeing 737823 · Electrical Power System
  > AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: GOT STANDBY POWER OFF LIGHT. AIRCRAFT DIVERTED TO AND LANDED SAFELY AT IND. REMOVE AND REPALCED THE (SPCU)-STANDBY POWER CONTROL UNIT. PER AMM 24-34-11.
- [SDR AALA202502104947](https://openairdocs.org/sdr/AALA202502104947.md): Battery · discharged · Feb 7, 2025 · N993NN · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: AFT GALLEY FLIGHT ATTENDANT EMERGENCY FLASHLIGHTS BATTERY LOW. REMOVE AND REPLACED FLIGHT ATTENDANT EMERGENCY FLASHLIGHT BATTERY IN AFT GALLEY AS REQUIRED.
- [SDR AALA202412067262](https://openairdocs.org/sdr/AALA202412067262.md): Girt Bar · out of adjust · Dec 5, 2024 · N993NN · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: FORWARD SERVICE DOOR IS DIFFICULT TO ARM AND DISARM. ADJUSTED FORWARD SERVICE DOOR GIRT BAR CLIPS. OPERTIONAL CHECK GOOD. PER GPM 17-11.
- [SDR AALA202406182692](https://openairdocs.org/sdr/AALA202406182692.md): Girt Bar · lack of lube · Jun 17, 2024 · N993NN · Boeing 737823 · Emergency Equipment
  > AIRCRAFT IN BASE MAINTENANCE: FORWARD SERVICE DOOR SLIDE IS DIFFICULT TO ARM AND DISARM. CLEANED AND LUBRICATED R1 DOOR GIRT BAR BRACKET AND RETAINING CLIP. PER AMM 25-66-00.
- [SDR AALA202406140996](https://openairdocs.org/sdr/AALA202406140996.md): Bulb · inoperative · Jun 11, 2024 · N993NN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT IN BASE MAINTENANCE: RIGHT HAND AFT OVER WING DOOR AFT EMERGENCY LIGHT INOPERATIVE. REMOVED AND REPLACED RIGHT HAND AFT OVERWING DOOR EMERGENCY LIGHT BULB, PERFORMED OPERATIONAL TEST SATISFACTORY. PER B737 NG AMM 33-51-04-960-801.
- [SDR AALA202404290987](https://openairdocs.org/sdr/AALA202404290987.md): Door · out of adjust · Apr 27, 2024 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORT LAVATORY-E DOOR DIFFICULT TO OPEN AND CLOSE. ADJUSTED LAVATORY-E DOOR. PER 25-40-15
- [SDR AALA202403157151](https://openairdocs.org/sdr/AALA202403157151.md): Door · out of adjust · Mar 14, 2024 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: CHRONIC HISTORY, LAVATORY-D DOOR LATCH DIFFICULT TO OPEN. ADJUSTED LAVATORY-D DOOR. FUNCTIONAL CHECK GOOD. PER CMM 25-40-64.
- [SDR AALA202403010123](https://openairdocs.org/sdr/AALA202403010123.md): Door · out of adjust · Feb 24, 2024 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LAVATORY D DOOR WILL NOT OPEN. ADJUSTED LAVATORY D DOOR. PER CMM 25-40-64. FUNCATIONAL CHECK GOOD **(CLOSED).
- [SDR AALA202402260123](https://openairdocs.org/sdr/AALA202402260123.md): Door · stuck · Feb 24, 2024 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LAVATORY D DOOR WILL NOT OPEN. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202402264884](https://openairdocs.org/sdr/AALA202402264884.md): Door · locked · Feb 23, 2024 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LAVATORY-D DOOR WILL NOT OPEN. UNLOCKED DOOR AS REQUIRED.
- [SDR AALA202312115397](https://openairdocs.org/sdr/AALA202312115397.md): Unknown · unknown · Dec 7, 2023 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: AFT LAVATORY D DOOR DIFFICULT TO OPEN. **SUPPLEMENTAL REPORT FOR AALA202312085397: PERFORMED OPERATIONAL CHECK AND FOUND WITHIN LIMITS PER CMM 25-40-64. **(CLOSED).
- [SDR AALA202312085397](https://openairdocs.org/sdr/AALA202312085397.md): Unknown · unknown · Dec 7, 2023 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: AFT LAVATORY D DOOR DIFFICULT TO OPEN. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).
- [SDR AALA202310113997](https://openairdocs.org/sdr/AALA202310113997.md): Door · lack of lube · Oct 9, 2023 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY DOOR DIFFICULT TO OPEN. TIGHTENED SCREW, CLEANED AND LUBRICATED ALL HINGE POINTS. FUNCTIONAL CHECK GOOD. PER CMM 25-47-21. ** (CLOSED).
- [SDR AALA202310103997](https://openairdocs.org/sdr/AALA202310103997.md): Unknown · unknown · Oct 9, 2023 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY DOOR DIFFICULT TO OPEN. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN).
- [SDR AALA202309217285](https://openairdocs.org/sdr/AALA202309217285.md): Slide · dislodged · Sep 20, 2023 · N993NN · Boeing 737823 · Escape Slide
  > AIRCRAFT WAS GROUNDED: L1 DOOR ESCAPE SLIDE PACK DISLODGED. REMOVED AND REPLACED L1 DOOR ESCAPE SLIDE PACK PER AMM 25-66-01.
- [SDR AALA202309018011](https://openairdocs.org/sdr/AALA202309018011.md): Door · binding · Aug 29, 2023 · N993NN · Boeing 737823 · Fixed Inner Doors
  > AIRCRAFT WAS NOT GROUNDED: LEFT AFT LAVATORY DOOR WILL NOT OPEN. MAINTENANCE ADJUSTED LEFT AFT LAVATORY DOOR.
- [SDR AALA202206070938](https://openairdocs.org/sdr/AALA202206070938.md): Light · loose · Jun 6, 2022 · N993NN · Boeing 737 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED: SEAT 19C EMERGENCY LIGHT COVER LOOSE. SECURED LIGHT.
- [SDR AALA202203159052](https://openairdocs.org/sdr/AALA202203159052.md): Slide · dislodged · Mar 14, 2022 · N993NN · Boeing 737* · Escape Slide
  > AIRCRAFT WAS NOT GROUNDED: R1 DOOR EMERGENCY SLIDE DISLODGED FROM DOOR. REPLACED SLIDE PER JOB CARD 08L22125001.
- [SDR AALA202201189701](https://openairdocs.org/sdr/AALA202201189701.md): Retainer · out of adjust · Jan 16, 2022 · N993NN · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED: DOOR 1L GIRT BAR HARD INSTALL IN BRACKET AND HARD TO REMOVE. ADJUSTED GIRT BAR ROD RETAINER. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK PER AMM 25-66-01.
- [SDR AALA202107135978](https://openairdocs.org/sdr/AALA202107135978.md): Support Angle · cracked · Jun 18, 2021 · N993NN · Boeing 737823 · Fuselage Main, Bulkhead
  > AIRCRAFT IN BASE MAINTENANCE: CRACK IN SUPPORT ANGLE AT 6L AND STA 663. REMOVED AND REPLACED THE DEFECTIVE ANGLE AND INSTALLED IDENTICAL, SERVICEABLE ANGLE.
- [SDR AALA202106305888](https://openairdocs.org/sdr/AALA202106305888.md): Support Angle · cracked · Jun 18, 2021 · N993NN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT IN BASE MAINTENANCE: CRACK IN SUPPORT ANGLE AT STA 663 ON LEFT SIDE OF KEEL BEAM. REMOVED AND REPLACED SUPPORT ANGLE REF SRM 57-10-10-2R-5.
- [SDR AALA202107136121](https://openairdocs.org/sdr/AALA202107136121.md): Floorbeam · corroded · Jun 14, 2021 · N993NN · Boeing 737823 · Fuselage Main, Floor Beam
  > AIRCRAFT IN BASE MAINTENANCE: CORROSION FOUND ON FLOOR BEAM AT STA 987, LEFT BUTT LINE 45. INSTALLED REPAIR PER EA NUMBER 328558 AND SRM 53-70-51-2R-6.
- [SDR AALA202107134001](https://openairdocs.org/sdr/AALA202107134001.md): Transition Panel · corroded · Jun 14, 2021 · N993NN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT IN BASE MAINTENANCE: FORWARD CARGO RIGHT TRANSITION PANEL HAS CORROSION LOCATED AT 500F+6, STR L24 R. REPLACED CORRODED TRANSITION PANEL PER SRM 53-30-53-2R.
- [SDR AALA202107136107](https://openairdocs.org/sdr/AALA202107136107.md): Transition Panel · corroded · Jun 14, 2021 · N993NN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT IN BASE MAINTENANCE: CORROSION FOUND ON TRANSITION PANEL LOCATED FROM 500C TO 500H, WATERLINE 360, BUTT LINE 540. INSTALLED ZEE ANGLE CHANNEL ASSEMBLY PER SRM 51-40-02.
- [SDR AALA202107137655](https://openairdocs.org/sdr/AALA202107137655.md): Transition Panel · corroded · Jun 14, 2021 · N993NN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT IN BASE MAINTENANCE: CORROSION FOUND ON TRANSITION PANEL LOCATED AT 727G-767, BUTT LINE 44. REPLACED TRANSITION PANEL PER SRM 51-40-02.
- [SDR AALA202107134717](https://openairdocs.org/sdr/AALA202107134717.md): Transition Panel · corroded · Jun 14, 2021 · N993NN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT WAS IN BASE MAINTENANCE: CORROSION FOUND ON TRANSITION PANEL LOCATED AT STA 727H, LEFT BUTT LINE 44. REPLACED TRANSITION PANEL PER SRM 51-40-02.
- [SDR AALA202106306387](https://openairdocs.org/sdr/AALA202106306387.md): Transition Panel · corroded · Jun 14, 2021 · N993NN · Boeing 737823 · Fuselage Miscellaneous Structure
  > AIRCRAFT IN BASE MAINTENANCE: FORWARD CARGO RIGHT TRANSITION PANEL AT STA 500F AND 24R IS CORRODED. REPLACED TRANSITION PANEL REF SRM 53-30-53-2R.
- [SDR AALA202106302365](https://openairdocs.org/sdr/AALA202106302365.md): Floorbeam · corroded · Jun 14, 2021 · N993NN · Boeing 737823 · Fuselage Main, Floor Beam
  > AIRCRAFT IN BASE MAINTENANCE: CORROSION ON FLOOR BEAM LOCATED AT STA 987 AND LBL 45. REPAIRED FLOOR BEAM PER EA 328558 SRM 53-70-51-2R-6.
- [SDR AALA202101279009](https://openairdocs.org/sdr/AALA202101279009.md): Battery Pack · faulty · Jan 26, 2021 · N993NN · Boeing 737823 · Emergency Lighting
  > AIRCRAFT WAS NOT GROUNDED. FLIGHT ATTENDANT REPORTS EMERGENCY CEILING LIGHTS ARE ON IN THE MID CABIN AREA. ON DECK ALL LIGHTS ARE ON WITH THE SWITCH IN THE OFF POSITION. REPLACED EMERGENCY LIGHT BATTERY PACK MODULE M1671, PER MM 33-51-06.
- [SDR AALA202011239015](https://openairdocs.org/sdr/AALA202011239015.md): Bracket · loose · Nov 20, 2020 · N993NN · Boeing 737823 · Emergency Equipment
  > AIRCRAFT WAS NOT GROUNDED. FWD ENTRY DOOR SLIDE GIRT BAR WON`T STAY IN RETAINING CLIP. TIGHTENED GIRT BAR BRACKET ON FWD ENTRY DOOR, IAW AMM 25-66-00. OPERATIONS CHECK GOOD.
- [SDR AALA2019121869031](https://openairdocs.org/sdr/AALA2019121869031.md): Slide · detached · Dec 15, 2019 · N993NN · Boeing 737823 · Escape Slide
  > AIRCRAFT WAS GROUNDED: F/AS REPORT THAT THE FWD GALLEY DOOR SLIDE PACK HAS A LOT MORE MATERIAL HANGING OUT THE BOTTOM. THIS EXCESS MATERIAL IS HARD TO ARM DOOR. MAINTENANCE REMOVED AND REPLACED R1 DOOR SLIDE IAW AMM 25-66-01.
- [SDR AALA201803099015](https://openairdocs.org/sdr/AALA201803099015.md): Lens · damaged · Mar 7, 2018 · N993NN · Boeing 737823 · Emergency Lighting
  > EMERGENCY LIGHT LENS AT THE R1 DOOR WILL NOT STAY ATTACHED. INSTALLED AND SECURED THE EMERGENCY LIGHT LENS IAW AMM 33-51-01.
- [SDR AALA201801299009](https://openairdocs.org/sdr/AALA201801299009.md): O-Ring · leaking · Jan 27, 2018 · N993NN · Boeing 737823 · Landing Gear Door Actuator
  > THE AIRCRAFT WAS GROUNDED. HYDRAULIC SYSTEM A FLUID LOSS DECREASING TO 58 PERCENT QUANTITY. THE FLIGHT DECLARED AN EMERGENCY, AND DIVERTED TO DEN WITHOUT FURTHER INCIDENT. FOUND RIGHT MAIN GEAR FRANGIBLE FITTING LEAKING. REPLACED O-RING ON RIGHT MAIN GEAR FRA
- [SDR AALA201712269067](https://openairdocs.org/sdr/AALA201712269067.md): Connector · disconnected · Dec 22, 2017 · N993NN · Boeing 737823 · Light System Wiring
  > THE AIRCRAFT WAS GROUNDED. EMERGENCY WHITE LIGHT AT SEAT 13EDF INOPERATIVE. RECONNECTED LOOSE CONNECTOR. OPERATIONAL CHECK OK.

## 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 = 'N993NN' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N993NN/reports

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