# Service difficulty reports: N7528A, cancelled May 9, 2022 A list on [N7528A, cancelled May 9, 2022](https://openairdocs.org/deregistered/N7528A-2022-05-09.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 4 · 157 reports - [SDR AALA20180328012](https://openairdocs.org/sdr/AALA20180328012.md): Water Separator · cracked · Mar 28, 2018 · N7528A · Doug DC982 · Humidity Control System > DURING DESCENT, IN MODERATE RAIN WITH ENGINE ANTI-ICE ON, THE AIRCRAFT EXPERIENCED A PRESSURIZATION ISSUE. DECLARED AN EMERGENCY AND DESCENDED TO 10000 FEET. MASKS DID NOT DEPLOY. FLIGHT LANDED WITHOUT INCIDENT. AIRCRAFT WAS GROUNDED. FOUND THE LEFT WATER - [SDR AALA201803159026](https://openairdocs.org/sdr/AALA201803159026.md): Regulator Valve · faulty · Mar 12, 2018 · N7528A · Doug DC982 · Air Distribution System > AFTER TAKEOFF, AND AFTER GEAR RETRACTION, THE NOSE LANDING GEAR RED UNSAFE LIGHT CAME ON, FOLLOWED BY A RUBBER BURNING ODOR. RED LIGHT WOULD STAY ON A FEW MINUTES AND GO OFF, THEN COME BACK ON UNTIL LANDING. DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE W - [SDR AALA201803159025](https://openairdocs.org/sdr/AALA201803159025.md): Wire Harness · damaged · Mar 12, 2018 · N7528A · Doug DC982 · Landing Gear System Wiring > AFTER TAKEOFF, AFTER GEAR RETRACTION, THE NOSE LANDING GEAR RED UNSAFE LIGHT CAME ON, FOLLOWED BY A RUBBER BURNING ODOR. RED LIGHT WOULD STAY ON A FEW MINUTES AND GO OFF, THEN COME BACK ON UNTIL LANDING. DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE WITH - [SDR AALA20180313001](https://openairdocs.org/sdr/AALA20180313001.md): Sensor · faulted · Mar 12, 2018 · N7528A · Doug DC982 · Landing Gear Retraction/Extension System > AFTER TAKEOFF, AND AFTER GEAR RETRACTION. THE NOSE LANDING GEAR RED UNSAFE LIGHT ILLUMINATED, FOLLOWED BY A RUBBER BURNING ODOR. RED LIGHT WOULD STAY ON A FEW MINUTES AND GO OFF, THEN COME BACK ON UNTIL LANDING. THE FLIGHT DECLARED AN EMERGENCY AND RETURNED T - [SDR AALA20180305016](https://openairdocs.org/sdr/AALA20180305016.md): Gauge · false indication · Mar 5, 2018 · N7528A · Doug DC982 · Leading Edge Slat Position Indicating System > DURING APPROACH WITH GEAR DOWN, FLAP HANDLE AND GAUGE READ 40, SLAT POSITION INDICATED THEN FLICKERED TO DISAGREE. WENT AROUND CLEANED UP AND RAN CHECKLIST, SECOND APPROACH INDICATED NORMAL WITH LANDING. MAINTENANCE INTERROGATED STEP, PERFORMED PROXIMITY TEST - [SDR AALA201802219051](https://openairdocs.org/sdr/AALA201802219051.md): Control Module · inoperative · Feb 18, 2018 · N7528A · Doug DC982 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY SIGN AT FLOOR OF SEATS 21A (SEE AALA20180220001) AND 21F WERE INOPERABLE. MAINTENANCE REPLACED AB5-2 CONTROL MODULE PER MM 33-60-98 AND PERFORMED SATISFACTORY OPERATIONAL CHECKS. - [SDR AALA201802220004](https://openairdocs.org/sdr/AALA201802220004.md): Battery Pack · discharged · Feb 18, 2018 · N7528A · Doug DC982 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED. FORWARD EGRESS LIGHTS WERE INOPERABLE. MAINTENANCE REPLACED BATTERY PACK AT POSITION AB5-2 PER AMM 33-51-15 AND PERFORMED SATISFACTORY OPERATIONAL CHECK. - [SDR AALA201802220003](https://openairdocs.org/sdr/AALA201802220003.md): Battery Pack · discharged · Feb 18, 2018 · N7528A · Doug DC982 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED. FORWARD EGRESS LIGHTS WERE INOPERABLE. MAINTENANCE REPLACED BATTERY PACK AT POSITION AB5-1 PER AMM 33-51-15 AND PERFORMED SATISFACTORY OPERATIONAL CHECK. - [SDR AALA201802220002](https://openairdocs.org/sdr/AALA201802220002.md): Control Module · inoperative · Feb 18, 2018 · N7528A · Doug DC982 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: FORWARD EGRESS LIGHTS WERE INOPERABLE. MAINTENANCE REPLACED CONTROL MODULE AT POSITION PER AMM 33-51-15 AND PERFORMED SATISFACTORY OPERATIONAL CHECK. - [SDR AALA201802220001](https://openairdocs.org/sdr/AALA201802220001.md): Control Module · inoperative · Feb 18, 2018 · N7528A · Doug DC982 · Emergency Lighting > AIRCRAFT WAS NOT GROUNDED: EMERGENCY SIGN AT FLOOR OF SEATS 21A AND 21F (SEE AALA201802219051) WERE INOPERABLE. MAINTENANCE REPLACED AB5-2 CONTROL MODULE PER MM 33-60-98 AND PERFORMED SATISFACTORY OPERATIONAL CHECKS. - [SDR AALA201801199042](https://openairdocs.org/sdr/AALA201801199042.md): Battery Pack · discharged · Jan 16, 2018 · N7528A · Doug DC982 · Emergency Lighting > EMERGENCY LIGHTS INOPERATIVE IN THE FOWARD HALF OF AIRCRAFT. MAINTENANCE REPLACED THE BATTERY PACKS. PERFORMED A SATISFACTORY OPS CHECK. - [SDR AALA201801199022](https://openairdocs.org/sdr/AALA201801199022.md): Battery Pack · discharged · Jan 16, 2018 · N7528A · Doug DC982 · Emergency Lighting > EMERGENCY LIGHTS INOPERATIVE IN THE FOWARD HALF OF AIRCRAFT. MAINTENANCE REPLACED THE BATTERY PACKS. PERFORMED A SATISFACTORY OPS CHECK. - [SDR AALA201712269068](https://openairdocs.org/sdr/AALA201712269068.md): Connector · inoperative · Dec 22, 2017 · N7528A · Doug DC982 · Light System Wiring > EMERGENCY EXIT SIGNS FORWARD AT SEATS 21A AND 21F ARE INOPERATIVE. CONNECTED THE CONNECTOR. OPS CHECKED GOOD IAW AMM 33-53-01. - [SDR AALA201712269070](https://openairdocs.org/sdr/AALA201712269070.md): Connector · disconnected · Dec 22, 2017 · N7528A · Doug DC982 · Light System Wiring > AIRCRAFT WAS NOT GROUNDED. EMERGENCY PATHWAY SEAT MOUNTED EMERGENCY LIGHT ON SEAT 21E INOPERATIVE. RECONNECTED EMERGENCY SEAT MOUNTED LIGHTING PLUG ON SEAT 21E. OPERATIONAL CHECK GOOD PER AMM33-60-98. - [SDR AALA201712269069](https://openairdocs.org/sdr/AALA201712269069.md): Connector · disconnected · Dec 22, 2017 · N7528A · Doug DC982 · Light System Wiring > AIRCRAFT IN BASE MAINTENANCE. EMERGENCY PATHWAY SEAT MOUNTED EMERGENCY LIGHTS FROM SEAT 3E TO 19D ARE INOPERATIVE. RE-CONNECTED PLUGS AT SEAT MOUNTED LIGHTS ON SEAT 3E. ALL SEAT MOUNTED EMERGENCY LIGHTS NOW WORK FROM SEAT 3E ALL THE WAY BACK. OPERATIONAL CHECK - [SDR AALA20170819005](https://openairdocs.org/sdr/AALA20170819005.md): Controller · faulty · Aug 19, 2017 · N7528A · Doug DC982 · Cabin Pressure Controller > EMERGENCY DECLARED. FLIGHT DIVERTED DUE TO A PRESSURIZATION PROBLEM. AFTER RAPID DESCENT, INDICATIONS RETURNED TO NORMAL AND EMERGENCY WAS CANCELLED. MASKS DID NOT DEPLOY. LANDING UNEVENTFUL. REMOVED AND REPLACED THE NR 2 CABIN PRESSURIZATION CONTROLLER - [SDR AALA201703219036](https://openairdocs.org/sdr/AALA201703219036.md): Oil Filter · clogged · Mar 20, 2017 · N7528A · Doug DC982 · Turbine Engine Oil System > AIRCRAFT WAS GROUNDED. LEFT OIL FILTER CLOGGING LIGHT ILLUMINATED ON APPROACH. REMOVED AND REPLACED LEFT ENGINE OIL FILTER IAW MCM 71-91-12. LEAK AND OPERATIONAL CHECK GOOD. - [SDR AALA20170306013](https://openairdocs.org/sdr/AALA20170306013.md): Wire Harness · damaged · Mar 3, 2017 · N7528A · Doug DC982 · Light System Wiring > RED EMERGENCY EXIT ROW LIGHT FLICKERS. REMOVED AND REPLACED THE WIRE HARNESS ASSEMBLY AT THE 29D CONNECTOR IAW AMM 33-60-98. OPERATIONAL CHECKED GOOD. AIRCRAFT WAS GROUNDED. - [SDR AALA20170222031](https://openairdocs.org/sdr/AALA20170222031.md): Gyro · faulty · Feb 22, 2017 · N7528A · Doug DC982 · Directional Gyro and Indicating System > AIRCRAFT WAS GROUNDED. EMERGENCY DECLARED. DURING CLIMB AND INTO CRUISE THE HEADING ANNUNCIATOR ILLUMINATED MULTIPLE TIMES ACCOMPANIED BY PROCESSION OF NR 1 HSI BETWEEN 10 AND 15 DEGREES. REMOVED AND REPLACE NR 1 DIRECTIONAL GYROSCOPE IAW AMM 34-21-04. SYSTEM - [SDR AALA20161206009](https://openairdocs.org/sdr/AALA20161206009.md): Battery Pack · discharged · Dec 1, 2016 · N7528A · Doug DC982 · Emergency Equipment > AIRCRAFT NOT GROUNDED. FLIGHT ATTENDANT UPPER FLASHLIGHT AT L1 DOOR IS INOPERATIVE. REMOVED AND REPLACED BATTERY PACK IAW AMM 25-60-00. OPERATIONAL CHECK GOOD. - [SDR AALA20161115022](https://openairdocs.org/sdr/AALA20161115022.md): Longeron · cracked · Nov 3, 2016 · N7528A · Doug DC982 · Fuselage Main, Longeron/Stringer > AIRCRAFT WAS IN BASE MAINTENANCE. LONGERON 25L IS CRACKED AT FUSELAGE STATION 160. REPAIRED LONGERON IAW SRM 53-02-00-001. - [SDR AALA20161115021](https://openairdocs.org/sdr/AALA20161115021.md): Longeron · cracked · Nov 3, 2016 · N7528A · Doug DC982 · Fuselage Main, Longeron/Stringer > AIRCRAFT WAS IN BASE MAINTENANCE. LONGERON 24L IS CRACKED AT FUSELAGE STATION 200. REPAIRED LONGERON IAW SRM 53-02-00-001. - [SDR AALA20161110004](https://openairdocs.org/sdr/AALA20161110004.md): Longeron · cracked · Nov 3, 2016 · N7528A · Doug DC982 · Fuselage Main, Longeron/Stringer > LONGERON 23L IS CRACKED AT BS 200. REPAIRED THE LONGERON IAW SRM 53-02-00-001. - [SDR AALA20161101001](https://openairdocs.org/sdr/AALA20161101001.md): Fastener · weak · Oct 27, 2016 · N7528A · Doug DC982 · Escape Slide > AIRCRAFT WAS GROUNDED. TAIL SLIDE FAILED TO SUCCESSFULLY DEPLOY WHILE ACCOMPLISHING TASK CARD 5901. MAINTENANCE FOUND THE SNAP ON THE DEPLOYMENT LANYARD TO BE WEAK. REMOVED AND REPLACED SNAP PORTION OF LANYARD IAW 25-62-01. OPERATIONAL CHECK NORMAL IAW MCM - [SDR AALA20161019004](https://openairdocs.org/sdr/AALA20161019004.md): Battery · discharged · Oct 19, 2016 · N7528A · Doug DC982 · Emergency Lighting > AIRCRAFT IN BASE MAINTENANCE. TAIL CONE EMERGENCY LIGHTS INOPERATIVE AT FUSELAGE STATION 1539L. REMOVED AND REPLACED BATTERY ASSEMBLY IAW AMM 33-53-00. OPERATIONAL CHECK GOOD. - [SDR AALA20161019006](https://openairdocs.org/sdr/AALA20161019006.md): Frame · cracked · Oct 14, 2016 · N7528A · Doug DC982 · Fuselage Main, Frame > FUSELAGE FRAME CRACKED. REPAIRED IAW 53-10-00-19. - [SDR AALA20161018002](https://openairdocs.org/sdr/AALA20161018002.md): Skin · cracked · Oct 14, 2016 · N7528A · Doug DC982 · Fuselage Main, Plate/Skin > AIRCRAFT IN BASE MAINTENANCE. WING LEADING EDGE SKIN CRACKED AROUND TWO RIVET HEADS AT STRINGER 22L BETWEEN FUSELAGE STATIONS 160 AND 200. REPAIRED IAW EA 264177 AND DRAWING SRO9530219. - [SDR AALA20160924001](https://openairdocs.org/sdr/AALA20160924001.md): Battery Pack · faulty · Sep 23, 2016 · N7528A · Doug DC982 · Emergency Lighting > FORWARD INTERIOR EMERGENCY EXIT LIGHTS FAIL TO TEST. REMOVED AND REPLACED B5-103 EMERGENCY LIGHT BATTERY ASSEMBLY IAW AMM 33-53-00. SYSTEM CHECKS NORMAL. - [SDR AALA20160725002](https://openairdocs.org/sdr/AALA20160725002.md): Cover · detached · Jul 24, 2016 · N7528A · Doug DC982 · Emergency Lighting > EMERGENCY EXIT MARKER COVER WILL NO STAY ON. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED MARKER ASSEMBLY IAW AMM 33-53-01. - [SDR AALA20160418001](https://openairdocs.org/sdr/AALA20160418001.md): Light · weak · Apr 18, 2016 · N7528A · Doug DC982 · Emergency Lighting > BATTERIES WEAK BAD. R & R LIGHT PACK. THE ACFT WAS NOT GNDED. - [SDR AALA20160304002](https://openairdocs.org/sdr/AALA20160304002.md): Actuator · failed · Mar 3, 2016 · N7528A · Doug DC982 · Landing Gear Actuator > AFTER TAKEOFF AUTO SPOILER DO NOT USE LIGHT ILLUMINATED WITH RT MAIN GEAR UNSAFE INDICATION. ACFT YAW & NOISE WAS NOTED BY FLIGHT CREW & FLIGHT ATTENDANTS. GEAR WAS CYCLED IAW QRH PROCEDURE WITH SAME RESULTS. AN EMER WAS DECLARED. ACFT RETURNED WITHOUT FUR - [SDR AALA20160112006](https://openairdocs.org/sdr/AALA20160112006.md): Drive Assy · faulty · Jan 11, 2016 · N7528A · Doug DC982 · Autopilot Main Servo > AIRCRAFT WAS GNDED. EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. AUTO PILOT DISCONNECTED MULTIPLE TIMES DURING FINAL SEGMENTS OF ARRIVAL. HEADING MATCHED ON BOTH COMPASSES. R & R AILERON SERVO DRIVE IAW AMM 22-11-01. OPERATIONAL CHECKED GOOD. - [SDR AALA20150408029](https://openairdocs.org/sdr/AALA20150408029.md): Former · cracked · Apr 8, 2015 · N7528A · Doug DC982 · Leading Edge Devices > LEFT WING LE NR 4 SLAT TRACK INBD FORMER IS CRACKED. INSTALLED DOUBLER & HAT BUSHING IAW WC 57-98-05. - [SDR AALA20140611008](https://openairdocs.org/sdr/AALA20140611008.md): Periseal · leaking · Jun 11, 2014 · N7528A · Doug DC982 · Air Distribution System > TAIL COMPARTMENT TEMPERATURE HIGH ILLUMINATED. EMER DECLARED FLIGHT RETURNED & LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED PERI-SEALS ON RT AIR CONDITIONER DUCT & TIGHTENED LOOSE CLAMP ON BOTTOM OF LT HEAT EXCHANGER. SYS GND CHECKED NORMAL - [SDR AALA20140522016](https://openairdocs.org/sdr/AALA20140522016.md): Wire Harness · disconnected · May 19, 2014 · N7528A · Doug DC982 · Light System Wiring > ESCAPE PATH LIGHT AT SEAT 30D FAILED CHECK. RECONNECTED HARNESS AT SIDEWALL FOR ESCAPE PATH LIGHT AT SEAT 30D. OPERATIONS CHECKED NORMAL. - [SDR AALA20140520004](https://openairdocs.org/sdr/AALA20140520004.md): Lens · missing · May 19, 2014 · N7528A · Doug DC982 · Emergency Lighting > ESCAPE PATH LIGHT AT SEAT 21D AFT MISSING LENS. REPLACED LENS FOR ESCAPE PATH LIGHT AT SEAT 21D. OPERATIONS CHECKED NORMAL. - [SDR AALA20140210008](https://openairdocs.org/sdr/AALA20140210008.md): Regulator · faulty · Feb 10, 2014 · N7528A · Doug DC982 · Crew Oxygen System > STL INFLIGHT DAY DFW CREW REPORTED CREW O2 BOTTLE EMPTY. FLIGHT DIVERTED STL LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED ALL THREE O2 REGULATORS. SYS GND CHECKED NORMAL OPERATION CLOSED. - [SDR AALA20140130003](https://openairdocs.org/sdr/AALA20140130003.md): Skin · cracked · Jan 30, 2014 · N7528A · Doug DC982 · Fuselage Main, Plate/Skin > CRACK FOUND IN SKIN AT STATION 108 BETWEEN LONGERONS 27 & 28 LT. STOP DRILLED CRACK & INSTALLED DOUBLER IAW SRM 51-01-00 FIGURE 2 SHEET 3. - [SDR AALA20140129004](https://openairdocs.org/sdr/AALA20140129004.md): Skin · cracked · Jan 29, 2014 · N7528A · Doug DC982 · Fuselage Main, Plate/Skin > FUSELAGE SKIN IS CRACKED AT STATION 1309 ABOVE LONGERON 7 RT. INSTALLED REPAIR DOUBLER IAW SRM 53-04-00, FIGURE 32 - [SDR AALA20140129003](https://openairdocs.org/sdr/AALA20140129003.md): Cusp Web · corroded · Jan 29, 2014 · N7528A · Doug DC982 · Fuselage Miscellaneous Structure > RT CUSP AT STATION 536 OTBD OF SEAT TRACK NR 6 CORRODED. INSTALLED DOUBLER IAW AARD 53-20-00-16. - [SDR AALA20140126010](https://openairdocs.org/sdr/AALA20140126010.md): Seat Track · corroded · Jan 26, 2014 · N7528A · Doug DC982 · Fuselage, Seat/Cargo Attach Fittings > SEAT TRACK NR 5 FROM STATIONS 200 TO 246 CORRODED. REPLACED SEAT TRACK SECTION IAW SRM 53-05-00 FIGURE 4F. - [SDR AALA20140126002](https://openairdocs.org/sdr/AALA20140126002.md): Cusp Web · cracked · Jan 24, 2014 · N7528A · Doug DC982 · Fuselage Miscellaneous Structure > FOUND CRACK IN CUSP SHEET FROM STATIONS 218 TO 237 RT SIDE. REMOVED & INSTALLED NEW SERVICEABLE CUSP SHEET IAW AARD 53-20-00-16. - [SDR AALA20140124016](https://openairdocs.org/sdr/AALA20140124016.md): Membrane · corroded · Jan 24, 2014 · N7528A · Doug DC982 · Fuselage Miscellaneous Structure > CORROSION ON BOTTOM OF SUB FLOOR FWD OF FRAME 168 INBD OF CUSP T. REMOVED CORROSION & INSTALLED DOUBLER ON SUB FLOOR. - [SDR AALA20140124012](https://openairdocs.org/sdr/AALA20140124012.md): Seat Track · corroded · Jan 24, 2014 · N7528A · Doug DC982 · Fuselage, Seat/Cargo Attach Fittings > SEAT TRACK NR 2 OTBD TRACK FLANGE HAS CORRODED AREA. INSTALLED STRAP REPAIR IAW AARD 53-20-00-13. - [SDR AALA20140124006](https://openairdocs.org/sdr/AALA20140124006.md): Fitting · corroded · Jan 24, 2014 · N7528A · Doug DC982 · Fuselage, Equipment Attach Fittings > OTBD G-1 GALLEY TIE DOWN FITTING CORRODED ON RT SIDE OF STATION 160. INSTALLED NEW SERVICEABLE G-1 TIE DOWN FITTING IAW AARD 51-00-05-1 & IPC 53-40-00-08D BOEING PRINT 9936534 CONF.517. - [SDR AALA20140124005](https://openairdocs.org/sdr/AALA20140124005.md): Seat Track · corroded · Jan 24, 2014 · N7528A · Doug DC982 · Fuselage, Seat/Cargo Attach Fittings > SEAT TRACK NR 2 CORRODED FROM STATIONS 1191 TO 1203. INSTALLED SEAT TRACK PLUGS IAW SRM 53-05-00 FIGURE 4A. - [SDR AALA20140124004](https://openairdocs.org/sdr/AALA20140124004.md): Skin · cracked · Jan 24, 2014 · N7528A · Doug DC982 · Fuselage Main, Plate/Skin > FUSELAGE SKIN IS CRACKED AT STATION 1039 ABOVE LONGERON 7 RT. INSTALLED REPAIR DOUBLER IAW 53-04-00 FIGURE 32. - [SDR AALA20140124002](https://openairdocs.org/sdr/AALA20140124002.md): Membrane · corroded · Jan 24, 2014 · N7528A · Doug DC982 · Fuselage Miscellaneous Structure > FWD SUB FLOOR, G2 GALLEY, INBD AFT FLOOR MOUNT HAS CORROSION AT STATION 218. INSTALLED SUBFLOOR DOUBLER IAW AARD 53-20-00-16. - [SDR AALA20140127009](https://openairdocs.org/sdr/AALA20140127009.md): Mount · corroded · Jan 23, 2014 · N7528A · Doug DC982 · Fuselage, Equipment Attach Fittings > NR 2 GALLEY MOUNT AT STATION 218 CORRODED. INSTALLED NEW GALLEY MOUNT FWD SEAT TRACK NR 6 IAW AARD 51-00-05-1. - [SDR AALA20140123011](https://openairdocs.org/sdr/AALA20140123011.md): Mount · corroded · Jan 23, 2014 · N7528A · Doug DC982 · Fuselage, Equipment Attach Fittings > NR 2 GALLEY MOUNT AT STATION 218 & NR 6 SEAT TRACK CORRODED. INSTALLED GALLEY MOUNT FWD END OF NR 6 SEAT TRACK IAW AARD 51-00-05-1. Next page: https://openairdocs.org/deregistered/N7528A-2022-05-09/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 = 'N7528A' AND deregistration_id = 'N7528A-2022-05-09' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N7528A-2022-05-09/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, except the copies of manufacturers’ service documents, which belong to their rights holders.