# Service difficulty reports: N921DN, cancelled Jul 19, 2022

A list on [N921DN, cancelled Jul 19, 2022](https://openairdocs.org/deregistered/N921DN-2022-07-19.md).

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

Page 1 of 3 · 131 reports

- [SDR DALA2019111406632](https://openairdocs.org/sdr/DALA2019111406632.md): Strut · iced · Nov 13, 2019 · N921DN · Doug MD9030 · Nose/Tail Landing Gear Strut/Axle
  > SHIP 9221 -ATB- DUE TO FLIGHT CREW WAS UNABLE TO RAISE GEAR HANDLE FOR RETRACTION. CORRECTIVE ACTION: PERFORMED OPERATIONAL CHECK OF NLG STRUT EXTENSION AND RETRACTION. OPERATIONAL CK. FOUND NORMAL. AFTER FURTHER INSPECTION, FOUND AIR AND HYD. FLUID NOT COMING
- [SDR DALA2019071704310](https://openairdocs.org/sdr/DALA2019071704310.md): Relief Valve · faulty · Jul 16, 2019 · N921DN · Doug MD9030 · Air Intake Anti/De-Ice System
  > DURING T/OFF ROLL AT 75% N1 L ENG VALVE MSG ILLUM ON OAP. RPLCD L ENG ANTI-ICE PRESS RELIEF VLV PER MM 30-22. CKS NML. A/C OK FOR SRVC. (LP# 6282838)
- [SDR DALA2019021430952](https://openairdocs.org/sdr/DALA2019021430952.md): Brake Assy · broken · Feb 13, 2019 · N921DN · Doug MD9030 · Landing Gear Brake System
  > AIRCRAFT PULLS TO THE LEFT ON LANDING AND TAXI IN. BRAKE TEMPS DOUBLE ON LEFT SIDE BRAKES THAN RIGHT SIDE BRAKES. BOTH LEFT BRAKES 275 DEGREES RIGHT BRAKES 100 DEGREES. LACKED LEFT LANDING GEAR. REMOVED NBR 01 TIRE AND FOUND NUMBER 01 BRAKE BROKEN INTO SEVERAL
- [SDR DALA2019011400252](https://openairdocs.org/sdr/DALA2019011400252.md): Starter · fire · Jan 10, 2019 · N921DN · Doug MD9030 · APU Start/Ignition System
  > APU WILL NOT START NO ROTATION. FOUND STARTER ON FIRE, PUT FIRE OUT W/EXTINGUISHER. SUSPECT STARTER RELAY HUNG. R/R R2-63, R2-792 & SHIP BATTERIES. REPLACED STARTER NEG/POS HARNESS P/N 790793-9407-501. R/R APU. OPS CK GOOD. (LP# 5329530)
- [SDR DALA2018062704241](https://openairdocs.org/sdr/DALA2018062704241.md): Web · corroded · Jun 26, 2018 · N921DN · Doug MD9030 · Entrance Stairs
  > CORROSION ON WEB ON STEP 5 AT VENTRAL STAIRWAY. WAS ACCOMPLISHED PER NDT SPM 04-00-07 PAR 5 FIG 3; ORIGINAL THICKNESS IS 0.040" AND MINIMUM REMAINING THICKNESS IS 0.024" THEREFORE AREA IS OUT OF LIMITS PER ER/A: 511165-14MA REV D. WEB ON STEP 5 AT VENTRAL STAI
- [SDR DALA2018062804240](https://openairdocs.org/sdr/DALA2018062804240.md): Rod · corroded · Jun 24, 2018 · N921DN · Doug MD9030 · Rudder Control System
  > CORROSION ON ROD P/N NAS354-4-270 AND ROD-END P/N XREP3F4S181. ROD AND ROD-END 2EA WERE REPLACED PER AMM 27-26-01-420-801. ROD AND ROD-END 2EA WERE ADJUSTED PER AMM 27-26-01-820-801 FUNCTIONAL TEST OF THE RUDDER THROW LIMITER WAS PERFORMED PER MD90 AMM 27-26-0
- [SDR DALA2018032201839](https://openairdocs.org/sdr/DALA2018032201839.md): Wire · burned · Mar 20, 2018 · N921DN · Doug MD9030 · Hydraulic Power System Wiring
  > AUX HYD PUMP CB TRIPPED. FOUND WIRE BURNED AT LOC B1-110 ON RT AUX HYD PUMP CB T1. REMOVED SAFETY WIRE FROM RT AUX HYS PUMP. REPLACED BUS BA5R T1-SEE 24-50-00-19 SHEET 2 ITEM 55-A PHASE. REPLACED RT AUX HYD PUMP CB B1 764 50 A. SEE WDM 29-21-00 PG 1. PERFORME
- [SDR DALA2017121108513](https://openairdocs.org/sdr/DALA2017121108513.md): Battery Pack · inoperative · Dec 9, 2017 · N921DN · Doug MD9030 · Emergency Lighting
  > EMERGENCY LIGHTS IN COCKPIT INOPERATIVE. REMOVED AND REPLACED POWER BATTERY AT STA 170. OPERATIONS CHECK GOOD. (LP# 9827760)
- [SDR DALA2016121409860](https://openairdocs.org/sdr/DALA2016121409860.md): Brake Sys · failed · Dec 8, 2016 · N921DN · Doug MD9030 · Landing Gear Brake System
  > DURING TAXI OUT, THE AIRCRAFT'S MAIN BRAKES LOCKED, CAUSING THE AIRCRAFT TO STOP UN-COMMANDED, AND CAUSING FLIGHT ATTENDANT CREW INJURIES REQUIRING MEDICAL ATTENTION. THE FLIGHT CREW ALSO REPORTED THAT THE AUTO-BRAKE SYSTEM FAILED TO ARM. CORRECTIVE ACTION:
- [SDR DALA2016082206148](https://openairdocs.org/sdr/DALA2016082206148.md): Skin · corroded · Aug 20, 2016 · N921DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > AFT CARGO COMPARTMENT BILGE AREA RIGHT SIDE SKIN, BS 1193 - 1200 BETWEEN LONGERONS 29 - 30R CORRODED. REPAIRED IAW PRI/ERA 549063-14.
- [SDR DALA2016081606082](https://openairdocs.org/sdr/DALA2016081606082.md): Retainer · gouged · Aug 14, 2016 · N921DN · Doug MD9030 · Cargo/Baggage Doors
  > AFT CARGO DOOR AFT LOWER CORNER, SKIN AND SEAL RETAINER GOUGED. OUT OF LIMITS. FABRICATED AND INSTALLED REPAIR DOUBLER IAW ERA 549070-14, REV O. (LP# 2633154)
- [SDR DALA2016081606060](https://openairdocs.org/sdr/DALA2016081606060.md): Skin · gouged · Aug 14, 2016 · N921DN · Doug MD9030 · Cargo/Baggage Doors
  > AFT CARGO DOOR FORWARD LOWER CORNER SKIN AND SEAL RETAINER GOUGED. FOUND TO BE OUT OF LIMITS. FABRICATED AND INSTALLED REPAIR DOUBLER IAW PRI/ERA 549070-14. (LP# 2633150)
- [SDR DALA2016081506000](https://openairdocs.org/sdr/DALA2016081506000.md): Frame · cracked · Aug 14, 2016 · N921DN · Doug MD9030 · Fuselage Main, Frame
  > AFT FUSELAGE, BS 1458 LONGERON 2L OUTBOARD FRAME FLANGE CRACKED AT FRAME ATTACH POINT. REPAIRED IAW PRI/ERA 549071-14, REV O.
- [SDR DALA2016081305997](https://openairdocs.org/sdr/DALA2016081305997.md): Structure · cracked · Aug 13, 2016 · N921DN · Doug MD9030 · Fuselage Main, Structure
  > PREVIOUS REPAIR BS 1520, LONGERON L9 TO 10 HAS INDICATION OF CRACK. REMOVED PREVIOUS REPAIR. INSTALLED REPAIR PARTS IAW SRM 53-10-03.
- [SDR DALA2016081305994](https://openairdocs.org/sdr/DALA2016081305994.md): Frame · cracked · Aug 12, 2016 · N921DN · Doug MD9030 · Fuselage Main, Frame
  > RIGHT MAIN LANDING GEAR WHEEL WELL LOWER FRAME CRACKED IN THE RADIUS. FABRICATED DOUBLER REPAIR AND FRAME ASSEMBLY IAW SRM 53-60-02 AND DWG 5930584.
- [SDR DALA2016081205991](https://openairdocs.org/sdr/DALA2016081205991.md): Longeron Splice · corroded · Aug 11, 2016 · N921DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > AFT CARGO COMPARTMENT BILGE AREA BETWEEN BS 1344 - 1364 LONGERON 28L CORRODED IN CHANNEL. FOUND TO BE OUT LIMITS. REMOVED AND REPLACED LONGERON SPLICE IAW SRM 53-10-01.
- [SDR DALA2016081205990](https://openairdocs.org/sdr/DALA2016081205990.md): Door Frame · cracked · Aug 11, 2016 · N921DN · Doug MD9030 · Fuselage Main, Structure
  > RIGHT MLG WHEEL WELL BS 966 TO 983 INTERCOSTAL CRACKED. REMOVED AND REPLACED THE DOOR FRAME IAW SRM 51-30-05 AND DWG 5930584.
- [SDR DALA2016081205989](https://openairdocs.org/sdr/DALA2016081205989.md): Shear Tie · corroded · Aug 11, 2016 · N921DN · Doug MD9030 · Fuselage Internal Mounting Structure
  > AFT CARGO COMPARTMENT BILGE AREA, BS 1344 BETWEEN LONGERON 28L AND 26R SHEAR TIE CORRODED. FOUND TO BE OUT OF LIMITS. INSTALLED A NEW SHEAR TIE IAW DWG 9957739, REV DD.
- [SDR DALA2016081205988](https://openairdocs.org/sdr/DALA2016081205988.md): Angle · corroded · Aug 11, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > AFT TAIL CONE COMPARTMENT RIGHT BS 1463 LOWER BILGE AREA HAS CORROSION. FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED THE ANGLE IAW DWG 9911991, REV K AND SRM 51-30-01.
- [SDR DALA2016081205987](https://openairdocs.org/sdr/DALA2016081205987.md): Longeron Splice · corroded · Aug 11, 2016 · N921DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > AFT CARGO BAY BILGE AREA BETWEEN BS 1340 AND 1364, LONGERON 28L CORRODED IN CHANNEL. FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED THE LONGERON SPLICE IAW SRM 53-10-01.
- [SDR DALA2016081106029](https://openairdocs.org/sdr/DALA2016081106029.md): Filler · cracked · Aug 10, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > CATWALK LEFT FORWARD FILLER CRACKED. REPAIRED IAW ER 549064-14, REV O.
- [SDR DALA2016081006028](https://openairdocs.org/sdr/DALA2016081006028.md): Frame · corroded · Aug 9, 2016 · N921DN · Doug MD9030 · Fuselage Main, Frame
  > AFT CARGO COMPARTMENT BILGE AREA, BS 1328, BETWEEN LONGERON 29L AND 29R, FRAME IS CORRODED. FOUND TO BE OUT OF LIMITS. REPLACED THE FRAME SECTION IAW SRM 53-10-02.
- [SDR DALA2016081006027](https://openairdocs.org/sdr/DALA2016081006027.md): Structure · corroded · Aug 9, 2016 · N921DN · Doug MD9030 · Fuselage Main, Structure
  > AFT CARGO BAY BILGE, BS 1364, ABOVE LONGERON 29L IS CORRODED. FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED IAW DWG 9912243 AND SRM 53-00-01.
- [SDR DALA2016081006026](https://openairdocs.org/sdr/DALA2016081006026.md): Structure · damaged · Aug 9, 2016 · N921DN · Doug MD9030 · Cargo/Baggage Doors
  > CENTER CARGO DOOR LOWER EDGED DAMAGED. REPAIRED IAW PRI/ERA 549072-14.
- [SDR DALA2016081006025](https://openairdocs.org/sdr/DALA2016081006025.md): Frame · corroded · Aug 9, 2016 · N921DN · Doug MD9030 · Fuselage Main, Frame
  > AFT CARGO BAY BILGE AREA, BS 1344 BETWEEN LONGERONS 29L AND 29R, FRAME CORRODED. FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED THE FRAME SECTION IAW SRM 51-30-02 AND 51-30-05.
- [SDR DALA2016081006032](https://openairdocs.org/sdr/DALA2016081006032.md): Shear Tie · corroded · Aug 8, 2016 · N921DN · Doug MD9030 · Fuselage Internal Mounting Structure
  > AFT CARGO BAY BILGE AREA LEFT SIDE BS 1307, BETWEEN LONGERONS 29 AND 30L SHEAR TIE CORRODED. INSTALLED A REPAIR IAW SRM 53-10-02.
- [SDR DALA2016080906031](https://openairdocs.org/sdr/DALA2016080906031.md): Doubler · corroded · Aug 8, 2016 · N921DN · Doug MD9030 · Fuselage Main, Plate/Skin
  > CENTER CARGO BAY, BS 807, X -1 TO X -2 STRAP AT SKIN INNER SURFACE CORRODED. FOUND TO BE OUT OF LIMITS. REPAIRED DOUBLER IAW PRI/ERA 544338-14, REV O.
- [SDR DALA2016081706065](https://openairdocs.org/sdr/DALA2016081706065.md): Floorbeam · cracked · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > FLOORBEAM ANGLE CRACKED, BS 1212 BETWEEN LBL 28 AND RBL 30. REMOVED AND REPLACED IAW DWG 5965790 AND SRM 51-30-02.
- [SDR DALA2016081706064](https://openairdocs.org/sdr/DALA2016081706064.md): Frame · corroded · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > AFT CARGO BAY BILGE AREA LEFT SIDE, BS 1250 BETWEEN LONGERONS 27 AND 36L. FRAME SPLICE CORRODED. FOUND TO BE OUT OF LIMITS. FABRICATED AND INSTALLED FRAME STRAP IAW SRM 51-30-05, 53-30-05 AND DWG 9936073.
- [SDR DALA2016081706061](https://openairdocs.org/sdr/DALA2016081706061.md): Doubler · damaged · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage Main, Frame
  > AFT CARGO COMPARTMENT BILGE AREA, BS 1165 - 1168 BETWEEN STRINGERS 27 AND 28R. FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED THE DOUBLER IAW SRM 51-30-02 AND DWG 5936022.
- [SDR DALA2016080906024](https://openairdocs.org/sdr/DALA2016080906024.md): Longeron · corroded · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > AFT CARGO BAY RIGHT SIDE, BETWEEN BS 1379 - 1395, LONGERON 28R TERMINAL FITTING IS CORRODED. FOUND TO BE OUT OF LIMITS. REPLACED FITTING IAW SRM 51-30-05 AND 53-00-01.
- [SDR DALA2016080906023](https://openairdocs.org/sdr/DALA2016080906023.md): Longeron · corroded · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > CARGO BAY RIGHT HAND SIDE BS 1395 LONGERON 27R TERMINAL FITTING CORRODED. FOUND TO BE OUT OF LIMITS. REPLACED THE LONGERON FITTING IAW SRM 51-30-05 AND 53-00-01.
- [SDR DALA2016080906022](https://openairdocs.org/sdr/DALA2016080906022.md): Longeron · corroded · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > CARGO BAY RIGHT SIDE BS 1344 - 1364 LONGERON 27R CORRODED. FOUND TO BE OUT OF LIMITS. REPAIRED IAW SRM 51-30-02 AND 53-00-01.
- [SDR DALA2016080906021](https://openairdocs.org/sdr/DALA2016080906021.md): Longeron · corroded · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > CARGO BAY RIGHT SIDE BETWEEN, BS 1364 - 1395 CORRODED ON LONGERON 27R. FOUND TO BE OUT OF LIMITS. REPLACED IAW SRM 53-00-01.
- [SDR DALA2016080805945](https://openairdocs.org/sdr/DALA2016080805945.md): Floor Support · corroded · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT BILGE AREA DOOR CUTOUT, BS 1212 - 1269 LOWER SILL WEB CORRODED. FOUND TO BE OUT OF LIMITS. REPLACED FLOOR SUPPORT FROM IAW SRM 51-30-02 AND DWG 5936442.
- [SDR DALA2016080805944](https://openairdocs.org/sdr/DALA2016080805944.md): Angle · corroded · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT BILGE AREA, RIGHT SIDE, BS 1212, LONGERON 28R ANGLE CORRODED. FOUND TO BE OUT OF LIMITS. FABRICATED A NEW ANGLE IAW WDG 5965790, REV J. AND SRM 51-10-03.
- [SDR DALA2016080705943](https://openairdocs.org/sdr/DALA2016080705943.md): Cargo Track · corroded · Aug 7, 2016 · N921DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > AFT CARGO COMPARTMENT BILGE AREA, RIGHT SIDE, BS 1269, LONGERON 28R CARGO TRACK CORRODED. FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED THE CARGO TRACK IAW SRM 51-30-01. (LP# 2622321)
- [SDR DALA2016080905948](https://openairdocs.org/sdr/DALA2016080905948.md): Floor Support · corroded · Aug 6, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT BILGE AREA, BS 1144 - 1147 BETWEEN LONGERONS 29-30L CORRODED. REMOVED AND REPLACED THE FLOOR SUPPORT SPLICE IAW SRM 51-30-01 AND DWG 5956157, REV AB. (LP# 2620899)
- [SDR DALA2016080705939](https://openairdocs.org/sdr/DALA2016080705939.md): Attach Angle · cracked · Aug 6, 2016 · N921DN · Doug MD9030 · Wing, Attach Fittings
  > LEFT WING RIB ATTACH ANGLE CRACKED. JUST OUTBOARD OF THE NR 1 SLAT TRACK. REPAIRED IAW ERA 544333-14.
- [SDR DALA2016080705938](https://openairdocs.org/sdr/DALA2016080705938.md): Rib · corroded · Aug 6, 2016 · N921DN · Doug MD9030 · Horizontal Stabilizer, Spar/Rib
  > RIGHT HORIZONTAL STABILIZER OUTBOARD RIB, XHR 209.215 HAS CORRODED INTERNAL FASTENERS. REPAIRED IAW PRI/ERA 549062-14.
- [SDR DALA2016080405806](https://openairdocs.org/sdr/DALA2016080405806.md): Structure · corroded · Aug 3, 2016 · N921DN · Doug MD9030 · Fuselage Main, Structure
  > AFT CARGO COMPARTMENT BILGE AREA BETWEEN BS 1344 - 1328 L28L CORRODED. FOUND TO BE OUT OF LIMITS. REPAIRED IAW SRM 53-10-01.
- [SDR DALA2016080405805](https://openairdocs.org/sdr/DALA2016080405805.md): Longeron · corroded · Aug 3, 2016 · N921DN · Doug MD9030 · Fuselage Main, Longeron/Stringer
  > AFT CARGO COMPARTMENT BILGE AREA, BS 1307 - 1328, FOUND LONGERON 28L CORRODED OUT OF LIMITS. REPLACED LONGERON IAW SRM 51-10-01.
- [SDR DALA2016082306172](https://openairdocs.org/sdr/DALA2016082306172.md): Cusp Web · corroded · Aug 2, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > CUSP WEB CORRODED, BS 1250 - 1269. FOUND TO BE OUT OF LIMITS. REPAIRED IAW PRI/ERA 549059-14.
- [SDR DALA2016080405804](https://openairdocs.org/sdr/DALA2016080405804.md): Seat Track · corroded · Aug 2, 2016 · N921DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > RIGHT SIDE SEAT TRACK, RBL 22. BS 210 - 275 CORRODED. FOUND TO BE OUT OF LIMITS. REPAIRED IAW SRM 53-40-01.
- [SDR DALA2016080405803](https://openairdocs.org/sdr/DALA2016080405803.md): Web · cracked · Aug 2, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > FLOOR WEB RIGHT SIDE, BS 220, RBL 22 CRACKED. REMOVED AND REPLACED THE FLOOR WEB IAW SRM 51-11-01 AND DWG 9936535.
- [SDR DALA2016080405802](https://openairdocs.org/sdr/DALA2016080405802.md): Floor Support · corroded · Aug 2, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT BILGE AREA RIGHT SIDE, BS 1269 BETWEEN L28 - 29R CORRODED. INSTALLED A NEW FLOOR SUPPORT IAW SRM 51-30-05 AND DWG 5965790.
- [SDR DALA2016080305801](https://openairdocs.org/sdr/DALA2016080305801.md): Web · corroded · Aug 1, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > CABIN FORWARD WET AREA WEB, BS 200-220, RBL 26-50 IS CORRODED. FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED IAW SRM 51-30-02, 51-30-01 AND DWG 9936535, REV CS.
- [SDR DALA2016080305800](https://openairdocs.org/sdr/DALA2016080305800.md): Seat Track · corroded · Aug 1, 2016 · N921DN · Doug MD9030 · Fuselage, Seat/Cargo Attach Fittings
  > FLOOR STRUCTURE FORWARD WET AREA RIGHT SIDE, BS 200, RBL 44 - 46 SEAT TRACK CORRODED ON UPPER SURFACE, FOUND TO BE OUT OF LIMITS. REPLACED IAW SRM 51-10-03.
- [SDR DALA2016080205799](https://openairdocs.org/sdr/DALA2016080205799.md): Fitting · corroded · Jul 31, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > AFT CARGO COMPARTMENT RIGH SIDE BETWEEN, BS 1370 - 1395 L29R TERMINAL FITTING CORRODE. REPLACED IAW SRM 51-30-02.
- [SDR DALA2016080105814](https://openairdocs.org/sdr/DALA2016080105814.md): Floor Support · corroded · Jul 31, 2016 · N921DN · Doug MD9030 · Fuselage Miscellaneous Structure
  > CABIN FLOOR SUPPORT, BS 984 - 1003 CUSP WEB CORRODED. FOUND TO BE OUT OF LIMITS. REPLACED IAW 51-42-00.

Next page: https://openairdocs.org/deregistered/N921DN-2022-07-19/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 n_number = 'N921DN' AND deregistration_id = 'N921DN-2022-07-19'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N921DN-2022-07-19/reports

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