# Service difficulty reports: N850DN A list on [N850DN](https://openairdocs.org/aircraft/N850DN.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR DALA2026050602872](https://openairdocs.org/sdr/DALA2026050602872.md): Battery Pack · inoperative · May 6, 2026 · N850DN · Boeing 737932ER · Emergency Lighting > EMERGENCY EXIT LIGHTS INOP AT SEAT ROWS 27-32. R/R EMERGENCY POWER SUPPLY AND BATTERY PACK ( M2627) PER B737 AMM 33-51. OPS CK GOOD. (LOG 8603096 - AIRCRAFT WAS GROUNDED). - [SDR DALA2026040802252](https://openairdocs.org/sdr/DALA2026040802252.md): Beacon · missing · Apr 2, 2026 · N850DN · Boeing 737932ER · Exterior Lighting > UPON ARRIVAL FOUND LOWER BEACON LIGHT ASSY. MISSING. INSTALLED NEW LIGHT ASSY PER B737 AMM 33-42-02-960-802 AND REPAIRED PER ERA 633537-14. (LOG 8173584 - AIRCRAFT WAS GROUNDED). - [SDR DALA2024110510670](https://openairdocs.org/sdr/DALA2024110510670.md): Ballnut · misinstalled · Oct 30, 2024 · N850DN · Boeing 737932ER · Stabilizer Control System > AIRCRAFT 3850, WHILE PERFORMING OPS CHECKS AND LUBE OF THE THS JACKSCREW, FOUND THE UPPER BALLNUT OF JACKSCREW INSTALLED 180 DEGREES IN WRONG DIRECTION. ACCORDING TO AMM ZERK FITTING NEEDS TO FACE THE ACCESS DOOR. CORRECTIVE ACTION: REPOSITIONED THE UPPER BALL - [SDR DALA2024103110546](https://openairdocs.org/sdr/DALA2024103110546.md): Web · corroded · Oct 28, 2024 · N850DN · Boeing 737932ER · Fuselage Miscellaneous Structure > (LOG 0633064) CORROSION ON FORWARD CARGO BAY SUB THRESHOLD WEB AT STA 440 - STA 480+12 STR 25R WL 168. REMOVED AND REPLACED FORWARD CARGO BAY THRESHOLD WEB AT STA 440- 480 STR 25R WL 168 PER B737-900 SRM 51-40-02-00 AND DWG 143A8122. - [SDR DALA2024103110543](https://openairdocs.org/sdr/DALA2024103110543.md): Channel · corroded · Oct 27, 2024 · N850DN · Boeing 737932ER · Fuselage Miscellaneous Structure > (LOG 0632953) CORROSION ON FORWARD CARGO BAY L/H ZEE CHANNEL STA 500 - STA 500L STR 25L WL 168. REMOVED, FABRICATED NEW ZEE CHANNEL STA 490 TO STA 500L FROM EXTRUSION P/N BAC1496-444#7075T6 LOT 5161015-1 AND INSTALLED PER B737 SRM 51-40-02-0G AND DWG BOEING 14 - [SDR DALA2024103110542](https://openairdocs.org/sdr/DALA2024103110542.md): Doubler · corroded · Oct 27, 2024 · N850DN · Boeing 737932ER · Fuselage Main, Plate/Skin > (LOG 0632681) FWD CARGO COMPARTMENT INSTALLED DOUBLER BETWEEN STA 500C-500D BETWEEN S-27R TO S-27L HAS EVIDENCE OF CORROSION. REMOVED DAMAGED (CORRODED) DOUBLERS LOCATED BTW STA 500C - 500D BTW STR 27R TO STR 27L. FABRICATED AND INSTALLED NEW DOUBLERS PER B737 - [SDR DALA2024103110541](https://openairdocs.org/sdr/DALA2024103110541.md): Channel · corroded · Oct 26, 2024 · N850DN · Boeing 737932ER · Fuselage Miscellaneous Structure > (LOG 0632665) CORROSION ON FORWARD CARGO BAY R/H ZEE CHANNEL STA 500A - STA 500L STR 25R WL 168. REPAIRED FWD CARGO BAY R/H ZEE CHANNEL FROM BS 500 TO BS 500L STR 25R WL 168 PER B737- SRM 53-00-53-2R-5. - [SDR DALA2024102410369](https://openairdocs.org/sdr/DALA2024102410369.md): Floorbeam · corroded · Oct 23, 2024 · N850DN · Boeing 737932ER · Fuselage Main, Floor Beam > (LOG 0623763) CORROSION ON PASSENGER COMPARTMENT FLOOR ANGLE, STA. 1034, LBL 31, WL 208. ACCOMPLISHED ERA# 621505-14 REV: ORIGINAL. - [SDR DALA2024102510398](https://openairdocs.org/sdr/DALA2024102510398.md): Web · corroded · Oct 21, 2024 · N850DN · Boeing 737932ER · Fuselage Miscellaneous Structure > (LOG 0625865) CORROSION AT AFT CARGO COMPARTMENT THRESHOLD WEB. REMOVED AND REPLACED AFT CARGO COMPARTMENT THRESHOLD WEB PER B737-900 SRM 51-40-02-0G AND DWG: 146A8123. - [SDR DALA2024102110232](https://openairdocs.org/sdr/DALA2024102110232.md): Floorbeam · corroded · Oct 20, 2024 · N850DN · Boeing 737932ER · Fuselage Main, Floor Beam > (LOG 0618584) CORROSION ON FLOOR BEAM STRUCTURE, STA. 947, LBL 25, WL 208. REPAIRED FLOOR BEAM STRUCTURE STA 947, LBL 25, WL 208 PER B737-900 S.R.M 53-70-51-2R-5. - [SDR DALA2024102210287](https://openairdocs.org/sdr/DALA2024102210287.md): Channel · corroded · Oct 18, 2024 · N850DN · Boeing 737932ER · Fuselage Miscellaneous Structure > (LOG 0620451) CORROSION ALONG AFT CARGO COMPARTMENT L/H ZEE CHANNEL FROM STA-727A TO STA-807. REMOVED AND REPLACED AFT CARGO L/H ZEE CHANNEL STA. 727 + 4 -847 IAW B737-900 SRM 51-40-02-0G, B737-900 SRM 53-00-53-2R PROCEDURE 5 AND BOEING DWG# 146A7500. - [SDR DALA2024102210293](https://openairdocs.org/sdr/DALA2024102210293.md): Shield · corroded · Oct 14, 2024 · N850DN · Boeing 737932ER · Fuselage Miscellaneous Structure > (LOG 0620467) CORROSION ON FORWARD CARGO BAY SHIELD AFT OF DOOR AT STA 480+ 12 - STA 500A STR 25R WL 168. REPLACED SHIELD CORRODED DUE TO EXCESSIVE DAMAGE BY NEW ONE ON STA 480 + 12 - STA 500A STR 25R WL 168 AT FWD CARGO I.A.W B737 SRM 51-40-02-0G. - [SDR DALA2024101410039](https://openairdocs.org/sdr/DALA2024101410039.md): Shield · corroded · Oct 13, 2024 · N850DN · Boeing 737932ER · Fuselage Miscellaneous Structure > (LOG 0607403) CORROSION ALONG AFT CARGO COMPARTMENT DOOR AFT SHIELD. REMOVED AND REPLACED AFT CARGO AFT SHIELD WITH REPLACEMENT ITEM# 146A8127Y10 IAW B737-900 SRM 51-40-02-0G, B737-900 SRM 51-40-05-0G AND DWG# 146A0081. - [SDR DALA2024101410034](https://openairdocs.org/sdr/DALA2024101410034.md): Channel · corroded · Oct 11, 2024 · N850DN · Boeing 737932ER · Fuselage Miscellaneous Structure > (LOG 0604461) CORROSION ALONG AFT CARGO COMPARTMENT R/H ZEE CHANNEL FROM STA-727B TO STA-767. REMOVED, FABRICATED 03 EA REPLACEMENT ZEE CHANNEL AND 01 SPLICE SIDEPLATE AND INSTALLED REPAIR PARTS FROM STA 727A TO STA 767, MATERIAL USING FOR THE FABRICATED ZEE C - [SDR DALA2024080607822](https://openairdocs.org/sdr/DALA2024080607822.md): Emer Light Sys · fractured · Aug 4, 2024 · N850DN · Boeing 737932ER · Emergency Lighting > (LOG 5717949) ROW 21 SEAT MOUNTED EMERG LIGHT INOP. FOUND WIRE BROKEN, INSTALLED SPLICE ON WIRE ASSY ATTACHING TO SEAT MOUNTED LIGHT ASSY IAW B737 SWPM 20-30. OPS CHK GOOD. - [SDR DALA2024080607821](https://openairdocs.org/sdr/DALA2024080607821.md): Emer Light Sys · inoperative · Aug 4, 2024 · N850DN · Boeing 737932ER · Emergency Lighting > (LOG 5717948) ROW 22-27 EMERG LIGHTS INOP. R/R M1671 EMERGENCY LIGHT BATTERY PACK IAW B737 AMM 33-51. OPS CHK GOOD. - [SDR DALA2024072307412](https://openairdocs.org/sdr/DALA2024072307412.md): Battery Pack · inoperative · Jul 20, 2024 · N850DN · Boeing 737932ER · Emergency Lighting > (LOG 6132394) ROWS 11-17 EEPLS INOP. REMOVED AND REPLACED BATTERY PACK IN REF B737 AMM 33-51. OPS CHECK GOOD AT THIS TIME. - [SDR DALA2024041204348](https://openairdocs.org/sdr/DALA2024041204348.md): Battery Pack · corroded · Apr 11, 2024 · N850DN · Boeing 737932ER · Emergency Lighting > (LOG 5797744) EMERGENCY LIGHTS AT 2L DOOR INOP. REMOVED AND REPLACED BATTERY PACK AT LOCATION M1673 IAW B737 AMM 33-51. - [SDR DALA2024031803402](https://openairdocs.org/sdr/DALA2024031803402.md): Battery Pack · inoperative · Mar 16, 2024 · N850DN · Boeing 737932ER · Emergency Lighting > (LOG 9485172) FOUND OVERHEAD EMERGENCY LIGHT ABOVE ROW 30ABC INOP. R/R BATTERY PACK PER B737 AMM 33-51. LIGHT OPS NML. - [SDR DALA2024021402130](https://openairdocs.org/sdr/DALA2024021402130.md): Battery Pack · inoperative · Feb 12, 2024 · N850DN · Boeing 737932ER · Emergency Lighting > (LOG 4468271) EXIT LOCATION SIGN AT THE LT AFT EMERGENCY EXIT HATCH LIGHT INOP. R/R LT BATTERY PACK AT BATTERY SUPPLY M1670. OPS CK GOOD. - [SDR DALA2024012901297](https://openairdocs.org/sdr/DALA2024012901297.md): Power Supply · inoperative · Jan 27, 2024 · N850DN · Boeing 737932ER · Emergency Lighting > (LOG 4468223) DURING SVC FOUND RT AFT EMERGENCY LIGHTS INOP. INSTALLED POWER SUPPLY PER B737 AMM 33-51 OPS CHECK GOOD A/C OK FOR SVC. - [SDR DALA2023082806980](https://openairdocs.org/sdr/DALA2023082806980.md): Unknown · unknown · Aug 27, 2023 · N850DN · Boeing 737932ER · Flight Compartment Lighting > SHIP 3850 -DIV/FUMES- DIVERTED TO ABQ DUE TO ELECTRICAL FUMES IN FLIGHT DECK. NO VISIBLE SMOKE. CORRECTIVE ACTION: FOUND FO'S CONTROL COLUMN MEMORY DEVICE SHORTED. REPLACED SAME. OPS CHECKS GOOD. - [SDR DALA2023041002768](https://openairdocs.org/sdr/DALA2023041002768.md): Battery Pack · inoperative · Apr 7, 2023 · N850DN · Boeing 737932ER · Emergency Lighting > (LOG 4039582) DURING INSPECTION FOUND EMERGENCY EXIT LIGHTS AT ROW 28-31 ARE INOP. REMOVED AND REPLACED BATTERY PACK AT ROW 30 M2627. OPS CHECK GOOD IAW B737 AMM 33-51. - [SDR DALA2022101006534](https://openairdocs.org/sdr/DALA2022101006534.md): Battery Pack · inoperative · Oct 7, 2022 · N850DN · Boeing 737 · Emergency Lighting > (LOG 9585475) DURING INSPECTION FOUND F/C SEAT MOUNTED EMERGENCY LIGHTS INOP. R/R BATTERY PACK LOCATED FWD GALLEY CEILING PER B737 AMM 33-51. OPS CK GOOD. - [SDR DALA2020041602273](https://openairdocs.org/sdr/DALA2020041602273.md): Mount · unknown · Mar 16, 2020 · N850DN · Boeing 737932ER · Emergency Lighting > (LOG 1532076) EMERGENCY FLOOR LIGHTING DAMAGED OR INOPERATIVE. REMOVED AND REPLACED MOUNT ASSY PER CMM 25-22-56. OPS CHK GOOD. - [SDR DALA2020080602721](https://openairdocs.org/sdr/DALA2020080602721.md): Wire · shorted · Mar 7, 2020 · N850DN · Boeing 737932ER · Light System Wiring > THE RED SEAT MOUNTED EMERGENCY LIGHTS FOR ROWS 18-21 WERE FOUND TO BE INOPERATIVE ON THE SERVICE CHECK. MAINTENANCE REPLACED THE BATTERY PACK M1695 AND A BLOWN FUSE ON THE M1695 POWER SUPPLY IAW AMM 33-51. FOUND A WIRE SHORTED TO THE SEAT TRACK BETWEEN SEATS - [SDR DALA2020012870653](https://openairdocs.org/sdr/DALA2020012870653.md): Bracket · not reported · Jan 19, 2020 · N850DN · Boeing 737932ER · Fuselage Main, Attach Fittings > CREW STATES FWD ENTRY INDICATION STAYS ON WHEN DOOR IS CLOSED. REMOVED AND REPLACED L1 DOOR TARGET BRACKET FOR SENSOR S1147 BRACKET FOR SENSOR S1147 IAW SRM 51-40. DOOR POSITION INDICATION OPS CHECKED GOOD IAW MM 52-10. - [SDR DALA2019110406415](https://openairdocs.org/sdr/DALA2019110406415.md): Warning System · contaminated · Oct 29, 2019 · N850DN · Boeing 737932ER · Door Warning System > SHIP 3850 FORWARD ENTRY DOOR LIGHT ILLUMINATED UPON LANDING @ 80KTS. CORRECTIVE ACTION: NOTED WATER IN MORE THAN MOIST AMOUNTS COMING FROM OUTSIDE HANDLE SHAFT SHORTLY AFTER ARRIVAL AT GATE. C/W LUBRICATE (6391560 AND 6391561) - [SDR DALA2019091105277](https://openairdocs.org/sdr/DALA2019091105277.md): Bracket · cracked · Sep 10, 2019 · N850DN · Boeing 737932ER · Emergency Equipment > (LOG 1265234) DURING INSPECTION FOUND GIRT BAR BRACKETS DAMAGED. ADJUSTED RETAINER CLIP PER AMM 25-66-01-200-802. OK FOR SERVICE. - [SDR DALA201808064868](https://openairdocs.org/sdr/DALA201808064868.md): Oxygen Box · no test · Jul 29, 2018 · N850DN · Boeing 737932ER · Crew Oxygen System > FIRST OFFICER`S OXYGEN FAILED TO TEST, DURING PRE-FLIGHT. REPLACED THE PRIMARY OBSERVERS SEAT OXYGEN BOX IAW AMM 35-12-85. OPS NORMAL. - [SDR DALA2018071804543](https://openairdocs.org/sdr/DALA2018071804543.md): Flag · stuck · Jul 17, 2018 · N850DN · Boeing 737932ER · Crew Oxygen System > CAN NOT GET FO O2 MASK TO RESET. WILL NOT TEST PROPERLY. WORKS FINE WHEN REMOVED. FREED STUCK FLAG. STOWED MASK AND NOW CKS GOOD AFTER RESET. REF AMM 31-12. - [SDR DALA2017031302027](https://openairdocs.org/sdr/DALA2017031302027.md): Light · detached · Mar 11, 2017 · N850DN · Boeing 737932ER · Emergency Lighting > DURING INSPECTION, FOUND SEAT MOUNTED EMERGENCY LIGHT AT SEAT 19D COMPLETELY RIPPED OUT OF BASE OF SEAT. MAINTENANCE INSTALLED THE LIGHT AND REPLACED THE EMERGENCY POWER PACK. OPS. CHECKED GOOD. - [SDR DALA2017030701899](https://openairdocs.org/sdr/DALA2017030701899.md): Wire Harness · loose · Mar 6, 2017 · N850DN · Boeing 737932ER · Light System Wiring > DURING INSPECTION, FOUND FLOOR EMERGENCY LIGHT INOPERATIVE. MAINTENANCE SECURED A LOOSE HARNESS, OPS NORMAL. ## 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 = 'N850DN' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N850DN/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.