# Service difficulty reports: N663US, cancelled May 22, 2018

A list on [N663US, cancelled May 22, 2018](https://openairdocs.org/deregistered/N663US-2018-05-22.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 · 175 reports

- [SDR DALA2015092505849](https://openairdocs.org/sdr/DALA2015092505849.md): Attach Fitting · dirty · Sep 22, 2015 · N663US · Boeing 747451 · Escape Slide
  > L1 DOOR SLIDE, WHEN ARMED DOES NOT GO INTO A DESIRED DETENT, BUT INDICATED ARMED ON EICAS SCREEN, THE YELLOW BALL RISES INFLIGHT SO LESS THAN 50 PERCENT OF BALL IS VISIBLE IN WINDOW. REMOVED METAL DEBRIS FROM SLIDE AFT ATTACH FITTING ON FLOOR.
- [SDR DALA2015050303046](https://openairdocs.org/sdr/DALA2015050303046.md): Battery Pack · inoperative · May 2, 2015 · N663US · Boeing 747451 · Emergency Lighting
  > EMERGENCY LIGHT IN U/D, FWD HALF INOPERATIVE ON SERVICE CHECK. REPLACED BATTERY PACK WITH SERVICEABLE AT M335; CHECKED M312 AND M7052 IAW AMM 33-51. PERFORMED OPERATOR TEST & NORMAL. 7035643.
- [SDR DALA2015043003044](https://openairdocs.org/sdr/DALA2015043003044.md): Skin · cracked · Apr 29, 2015 · N663US · Boeing 747451 · Fuselage Main, Plate/Skin
  > FOUND CRACK AT FS 2370 S-15L. MEASURED CRACK AND TOTAL LENGTH IS 1.3750". REMOVED DAMAGE IAW SRM 53-00-01, REPAIR 1. PERFOMRED HFEC, DAMAGE CONTAINMENT, OF CUTOUT IAW NDT MANUAL 51-00-00, PART 6. PERFORMED BHEC OF EXISTING FASTENERS IAW NDT 51-00-00, PART 6
- [SDR DALA2014121306544](https://openairdocs.org/sdr/DALA2014121306544.md): Battery Pack · inoperative · Dec 13, 2014 · N663US · Boeing 747451 · Emergency Lighting
  > EXIT LIGHT INOPERATIVE NEAR SEAT 80. REPLACED BATTERY PACK.
- [SDR DALA2014120106295](https://openairdocs.org/sdr/DALA2014120106295.md): Battery Pack · inoperative · Nov 29, 2014 · N663US · Boeing 747451 · Emergency Lighting
  > EMERGENCY EXIT SIGN INOPERATIVE. REPLACED BATTERY PACK.
- [SDR DALA13070706303](https://openairdocs.org/sdr/DALA13070706303.md): Battery Pack · inoperative · Dec 21, 2013 · N663US · Boeing 747451 · Emergency Lighting
  > DURING SERVICE CHECK ON EMERGENCY LIGHT, FOUND 75A FORWARD HAD NO ILLUMINATION. REMOVED OVERHEAD PANEL AT 73A, TROUBLESHOT AND FOUND BATTERY BAD. REPLACED POWER SUPPLY IAW AMM 33-51. OPS CHECKED GOOD.
- [SDR DALA13070306303](https://openairdocs.org/sdr/DALA13070306303.md): Battery Pack · inoperative · Dec 17, 2013 · N663US · Boeing 747451 · Emergency Lighting
  > UPPER DECK SEATS EMERGENCY LIGHTS INOPERATIVE AT 73 THRU 75. REPLACED BATTERY PACK. OPS CHECKED GOOD.
- [SDR DALA13064936303](https://openairdocs.org/sdr/DALA13064936303.md): Door Frame · cracked · Nov 29, 2013 · N663US · Boeing 747451 · Fuselage Main, Structure
  > L2 DOOR FWD DOOR FRAME FOUND CRACKED ABOVE NR 1 STOP FITTING. REPAIRED CRACK IAW ERA 520379-14, REV 0. FABRICATED DOUBLER AND FILLER. HEAT TREAT THE PART IAW NWA SA5126-010001- 2.
- [SDR DALA13064786303](https://openairdocs.org/sdr/DALA13064786303.md): Door Frame · cracked · Nov 29, 2013 · N663US · Boeing 747451 · Fuselage Main, Structure
  > MAIN ENTRY DOOR AFT DOOR FRAME LWR LATCH ROLLER AREA, FOUND TWO CRACKS. PERFORMED REPAIR IAW ERA 520385-14, REV. 0. FABRICATED REPAIR IAW ERA 520385-14, REV. 0.
- [SDR DALA13064516303](https://openairdocs.org/sdr/DALA13064516303.md): Doubler · cracked · Nov 27, 2013 · N663US · Boeing 747451 · Nacelle/Pylon, Main Frame
  > NR 1 PYLON OTBD STRUT T/E DOOR FWD LOWER AREA EXITING DOUBLER FOUND CRACKED. REPLACED DOUBLER IAW EA 63-82067, REV A, SECTION II AND HFEC INSPECTION, NO CRACK FOUND IAW NDTM PART 5 51-00-00, PROCEDURE 11 OR 16.
- [SDR DALA13051986303](https://openairdocs.org/sdr/DALA13051986303.md): Battery Pack · inoperative · Oct 11, 2013 · N663US · Boeing 747451 · Emergency Lighting
  > EMERGENCY PATH LIGHT INOPERATIVE. REPLACED BATTERY FOR POWER SUPPLY. CHECKED NORMAL IAW AMM 33-52.
- [SDR DALA13034536303](https://openairdocs.org/sdr/DALA13034536303.md): Light · missing · Jul 14, 2013 · N663US · Boeing 747451 · Emergency Lighting
  > DURING SERVICE CHECK FOUND G3C FLOOR EMERGENCY LIGHT MODULE IS MISSING. INSTALLED ON POSITION & SECURED OK IAW AMM 35-51. OPS TEST OK.
- [SDR DALA13026666303](https://openairdocs.org/sdr/DALA13026666303.md): Power Supply · inoperative · May 31, 2013 · N663US · Boeing 747451 · Emergency Lighting
  > FOUND EMERGENCY LIGHT INOPERATIVE AT U/D FWD SIDE. REPLACED THE BATTERY AT POWER SUPPLY. PERFORMED POWER SUPPLY TESTED OK.
- [SDR DALA13014986303](https://openairdocs.org/sdr/DALA13014986303.md): Wire · broken · Apr 4, 2013 · N663US · Boeing 747451 · Light System Wiring
  > FOUND R3 DOOR EMERGENCY LIGHT INOPERATIVE. CONNECTOR D11411P HAS BROKEN WIRE. REPAIRED WIRE IAW SWPM 20-61-16. LIGHT OPS CHECKED NORMAL.
- [SDR DALA13014976303](https://openairdocs.org/sdr/DALA13014976303.md): Battery Pack · inoperative · Apr 3, 2013 · N663US · Boeing 747451 · Emergency Lighting
  > EMERGENCY LIGHT INOPERATIVE. R & R M335 BATTERY, IAW AMM 33-51, CHECKED GOOD.
- [SDR DALA13013306303](https://openairdocs.org/sdr/DALA13013306303.md): Battery Pack · inoperative · Mar 24, 2013 · N663US · Boeing 747451 · Emergency Lighting
  > EMERGENCY LIGHTS INOPERATIVE UPPER DECK AT SEATS ROWS 73/74/75 AB. REPLACED BATTERY PACK IAW AMM 33-52. OPS CHECKED GOOD.
- [SDR DALA13002926303](https://openairdocs.org/sdr/DALA13002926303.md): Battery Pack · inoperative · Jan 16, 2013 · N663US · Boeing 747451 · Emergency Lighting
  > DURING SVC FOUND EMERGENCY EXIT LIGHT AT UPPER DECK MID CTR AFT AND UPPER DECK LT DOOR INOPERATIVE. R & R BATTERY PACK M7050. BOTH LIGHTS NOW CHECK OK. NO FURTHER ACTION REQUIRED.
- [SDR DALA12004056303](https://openairdocs.org/sdr/DALA12004056303.md): Control Cable · damaged · Jul 28, 2012 · N663US · Boeing 747451 · Aileron Control System
  > DURING WALKAROUND INSPECTION, FOUND THE LEFT OUTBOARD AILERON SURFACE STICKS AT UPWARD (SMALL AMOUNT). MAINTENANCE PERFORMED OPS CHECKS FOR AILERONS, FOUND INBOARD AND OUTBOARD AILERONS SURFACE WON'T MOVE, NO STATUS AND CMC MESSAGES FOUND PER AMM 27-11. PERF
- [SDR DALA12002406303](https://openairdocs.org/sdr/DALA12002406303.md): Battery Pack · inoperative · Jul 3, 2012 · N663US · Boeing 747451 · Emergency Lighting
  > DURING INSPECTION, FOUND LEFT DOOR EMERGENCY LIGHT, L2927 AND L2930 WON'T TURN ON. MAINTENANCE REPLACED BATTERY OF M7027 EMERGENCY SLIDE LIGHT. OPS CHECKED OK AS PER AMM 33-51.
- [SDR DALA1223436303](https://openairdocs.org/sdr/DALA1223436303.md): Fuse · blown · Apr 13, 2012 · N663US · Boeing 747451 · Emergency Lighting
  > DURING INSPECTION, FOUND EXTERIOR EMER LIGHTS OUT AT RIGHT SIDE 1ST AND 2ND POSITION. MAINTENANCE REPLACED FUSE OF M7920 EMERGENCY LIGHT POWER SUPPLY. OPERATIONAL CHECK OK.
- [SDR DALA1219756303](https://openairdocs.org/sdr/DALA1219756303.md): Doubler · cracked · Mar 29, 2012 · N663US · Boeing 747451 · Fuselage Main, Plate/Skin
  > CRACK APPROXIMATELY 1.1 X 0.6 INCH LENGTH FOUND ON THE RT UPPER LOBE DOUBLER, STA 2521 DURING HFEC INSPECTION. CARRIED OUT STA 2403.6 TO STA 2524.4EMPENNAGE UPPER LOBE DOUBLER SB747-53A2651 REV.1 AS PER PRI 499106-14AD REV. 0, 1, 2 AND 3. DATED 29FEB12.
- [SDR DALA1219746303](https://openairdocs.org/sdr/DALA1219746303.md): Doubler · cracked · Mar 29, 2012 · N663US · Boeing 747451 · Fuselage Main, Plate/Skin
  > CRACK APPROXIMATELY 1.3 X 0.7 INCH LENGTH FOUND ON THE LT FUSELAGE TO SKIN VERTICAL STABILIZER UPPER LOBE DOUBLER STA 2521 DURING HFEC INSPECTION. CARRIED OUT STA 2403.6 TO STA 2524.4 EMPENNAGE UPPER LOBE DOUBLER SB 747-53A2651 REV 1 AS PER PRI 499106-14AD RE
- [SDR DALA1212816303](https://openairdocs.org/sdr/DALA1212816303.md): Seat Track · damaged · Mar 2, 2012 · N663US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - STA 1770 TO STA 1870 RBL 98.58 REPAIR AS PER BOEING SRM 53-00-52 REPAIR 9, FIG 201 STEP 11, REPAIR SEAT TRACK TO CARRY OUT ANODIZE ON CROWN INNER FLANGES. ALTERNATE FINISHING PER PRI 500198-14AD REV DATED 27FEB2012. PRI 500198-14AD REV 0 COMPARED W/ER
- [SDR DALA1205286303](https://openairdocs.org/sdr/DALA1205286303.md): Floor Support · corroded · Jan 26, 2012 · N663US · Boeing 747451 · Fuselage Miscellaneous Structure
  > MAIN DECK FLOOR SUPPORT CORROSION BS 840-860 LBL 11. REPAIRED PER B747-400 SRM 53-00-52.
- [SDR DALA1204106303](https://openairdocs.org/sdr/DALA1204106303.md): Seat Track · corroded · Jan 26, 2012 · N663US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings
  > MAIN DECK SEAT TRACK CORROSION BS 896 RBL 40.5. S:1"X2". REPAIRED PER ERA 496581-14.
- [SDR DALA1204116303](https://openairdocs.org/sdr/DALA1204116303.md): Stringer · corroded · Jan 25, 2012 · N663US · Boeing 747451 · Fuselage Main, Longeron/Stringer
  > 83/140 CORROSION WAS FOUND ON STRINGER AT S51L STA 1940-1960. DFRD, LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING.
- [SDR DALA1203296303](https://openairdocs.org/sdr/DALA1203296303.md): Floor Support · corroded · Jan 24, 2012 · N663US · Boeing 747451 · Fuselage Miscellaneous Structure
  > MAIN DECK FLOOR SUPPORT CORROSION BS 1700-1720 RBL 45. S=1"X2". REPAIRED PER ERA 496578-14.
- [SDR DALA1203066303](https://openairdocs.org/sdr/DALA1203066303.md): Floor Support · corroded · Jan 21, 2012 · N663US · Boeing 747451 · Fuselage Miscellaneous Structure
  > 55/250 MAIN DECK FLOOR SUPPORT CORROSION BS 1700-1720 LBL 41.5. S=1"X2". REPLACED REPAIRED DOUBLER PER B747-400 SRM 53-00-52 REPAIR 3. LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING.
- [SDR DALA1205176303](https://openairdocs.org/sdr/DALA1205176303.md): Floorbeam · corroded · Jan 21, 2012 · N663US · Boeing 747451 · Fuselage Main, Floor Beam
  > CORROSION WAS FOUND ON FLOORBEAM OF MAIN DECK. STA 1700 RBL20 S: 1"X1" PERFORM TYPICAL MAIN DECK FLOORBEAM UPPER CHORD REPAIR PER B747-400 SRM 53-60-51 REPAIR 2 FIG 201.
- [SDR DALA1202376303](https://openairdocs.org/sdr/DALA1202376303.md): Seat Track · corroded · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings
  > MAIN DECK SEAT TRACK SEVERAL CORROSION. BS 1780-1920 RBL 98.5. S=0.3"X3". LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING. MAINTENANCE REPLACED THE INTERCOSTAL WEB PER J/C 5313-01014-02F.
- [SDR DALA1206246303](https://openairdocs.org/sdr/DALA1206246303.md): Floor Support · cracked · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage Miscellaneous Structure
  > 33/230 MAIN DECK FLOOR SUPPORT CRACK BS 500-520, LBL 67, L=1" PER B747-400 SRM 51-40-02. REPLACED THE MAIN DECK FLOOR SUPPORT.
- [SDR DALA1202456303](https://openairdocs.org/sdr/DALA1202456303.md): Skin · worn · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage Main, Plate/Skin
  > DURING ACCOMPLISHMENT OF WORK CARD 5331-01087-01190-03 ST 3A, FOUND FUSELAGE EXTERNAL SKIN WEAR. STA 2527-STA 2531 S-3L L=4" LOG PAGE ENTERED AND DEFERRED REPORTING. PER SRM 747-400 51-10-02 REMOVED THE DAMAGE AND HFEC INSPECTED PER B747-400 NDT 51-00-00 PAR
- [SDR DALA1202446303](https://openairdocs.org/sdr/DALA1202446303.md): Skin · worn · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage Main, Plate/Skin
  > DURING ACCOMPLISHMENT OF WORK CARD 5331-01190-03 STEP 3A, FOUND FUSELAGE EXTERNAL SKIN WEAR. STA 2619-STA 2622 S-3L L=3" LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING. BLEND OUT PER B747-400 SRM 51-10-02 AND HFEC INSPECTED PER B747-400 NDT 51-00-00 PART 6
- [SDR DALA1202436303](https://openairdocs.org/sdr/DALA1202436303.md): Skin · worn · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage Main, Plate/Skin
  > DURING ACCOMPLISHMENT OF WORK CARD 5331- 01190-03 STEP 3.A, FOUND FUSELAGE EXTERNAL SKIN WEAR. STA 2603-STA 2606 S-3L. L=3" LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING. PER B747-400 SRM 51-10-02 REMOVED WEAR AND HFEC INSPECTED PER B747-400 NDT 51-00-00 P
- [SDR DALA1202426303](https://openairdocs.org/sdr/DALA1202426303.md): Skin · worn · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage Main, Plate/Skin
  > DURING ACCOMPLISHMENT OF WORK CARD 5331-01190-03 STEP 3A, FOUND FUSELAGE EXTERNAL SKIN WEAR. STA 2614-STA 2615 S-3L L=1" LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING. PER B747-400 SRM 51-10-02 REMOVED WEAR AND HFEC INSPECTED PER B747-400 NDT 51-00-00 PART
- [SDR DALA1202416303](https://openairdocs.org/sdr/DALA1202416303.md): Skin · worn · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage Main, Plate/Skin
  > DURING ACCOMPLISHMENT OF WORK CARD 5331-01190-03 STEP 3A, FOUND FUSELAGE EXTERNAL SKIN WEAR. STA 2607-STA 2610 S-3L L=3" LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING. PER B747-400 SRM 51-10-02 REMOVED WEAR AND HFEC INSPECTED PER B747-400 NDT 51-00-00 PART
- [SDR DALA1202406303](https://openairdocs.org/sdr/DALA1202406303.md): Skin · worn · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage Main, Plate/Skin
  > DURING ACCOMPLISHMENT OF WORK CARD 5331-01190-03 STEP 3.B, FOUND FUSELAGE EXTERNAL SKIN WEAR. STA 2618-STA 2627 S-3R L=9" LOG PAGE ENTERED AND DEFERRED FOR SDR REPORTING. PER SRM 747-400 51-10-02 REMOVED THE DAMAGE AND HFEC INSPECT PER 747-400 NDT 51-00-00 P
- [SDR DALA1205296303](https://openairdocs.org/sdr/DALA1205296303.md): Support Fitting · gouged · Jan 16, 2012 · N663US · Boeing 747451 · Trailing Edge Flaps
  > GOUGE AT BOLT BORE OF RT WING OUTBD T/E MID FLAP 8 AFT CARRIAGE SUPPORT FITTING ATTACH HOLE. REFER TO ER/A 496579-14 REV 0 PERFORMED REPAIR.
- [SDR DALA1202396303](https://openairdocs.org/sdr/DALA1202396303.md): Seat Track · corroded · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings
  > MAIN DECK SEAT TRACK SEVERAL CORROSION. BS 1800-1920 RBL 11. S=0.2"X1". PERFORMED SEAT TRACK EXTENSION CORROSION REPAIR PER SRM 53-00-52, REPAIR 3, DETAIL I.
- [SDR DALA1202386303](https://openairdocs.org/sdr/DALA1202386303.md): Seat Track · corroded · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings
  > MAIN DECK SEAT TRACK SEVERAL CORROSION. BS 2040-2140 RBL 98.5. S=0.3"X3". PERFORMED SEAT TRACK REPAIR PER SRM 53-00-52 R4, P201.
- [SDR DALA1202366303](https://openairdocs.org/sdr/DALA1202366303.md): Seat Track · corroded · Jan 16, 2012 · N663US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings
  > MAIN DECK SEAT TRACK SEVERAL CORROSION. BS 1920-2040. RBL 98.5. S=0.4"X3". PERFORMED SEAT TRACK REPAIR PER SRM 53-00-52 R4, P201.
- [SDR DALA1201916303](https://openairdocs.org/sdr/DALA1201916303.md): Seat Track · corroded · Jan 14, 2012 · N663US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings
  > BS 1780, LBL 34, MAIN DECK SEAT TRACK CORROSION. S=0.3"X1". PERFORMED SEAT TRACK REPAIR PER SRM 53-00-52, REPAIR 4, DETAIL II.
- [SDR DALA1201906303](https://openairdocs.org/sdr/DALA1201906303.md): Seat Track · corroded · Jan 14, 2012 · N663US · Boeing 747451 · Fuselage, Seat/Cargo Attach Fittings
  > 103/260 MAIN DECK SEAT TRACK CORROSION BS 1780 RBL 34. S=0.6"X1". PERFORMED SEAT TRACK REPAIR PER SRM 53-00-52, REPAIR 4, DETAIL II.
- [SDR DALA1205166303](https://openairdocs.org/sdr/DALA1205166303.md): Floor Support · corroded · Jan 13, 2012 · N663US · Boeing 747451 · Fuselage Miscellaneous Structure
  > MAIN DECK FLOOR SUPPORT CORROSION BS 1627 LBL 16.5. REPLACED THE CORRODED SUPPORT WITH NEW ONE PER B747-400 SRM 51-40-02.
- [SDR DALA1205156303](https://openairdocs.org/sdr/DALA1205156303.md): Floor Support · corroded · Jan 12, 2012 · N663US · Boeing 747451 · Fuselage Miscellaneous Structure
  > MAIN DECK FLOOR SUPPORT UPPER SURFACE CORROSION BS 980 RBL 11 RBL 30. REPLACED THE FLOOR SUPPORT WITH NEW PART PER B747-400 SRM 51-40-02.
- [SDR DALA1203116303](https://openairdocs.org/sdr/DALA1203116303.md): Thrust Bearing · worn · Jan 12, 2012 · N663US · Boeing 747451 · Wing Miscellaneous Structure
  > 35/681 WING T/E NR 8: THRUST BEARING WORN. REPLACED WITH NEW THRUST BEARING.
- [SDR DALA1201726303](https://openairdocs.org/sdr/DALA1201726303.md): Intercostal · cracked · Jan 11, 2012 · N663US · Boeing 747451 · Fuselage Miscellaneous Structure
  > FOUND CRACK ON MAIN DECK OVERWING INTERCOSTAL WEB BS 1180 L=.5 RBL 99-120. REPAIRED CRACKED REVEAL PER SRM 53-60-15
- [SDR DALA1201736303](https://openairdocs.org/sdr/DALA1201736303.md): Web · cracked · Jan 11, 2012 · N663US · Boeing 747451 · Fuselage Miscellaneous Structure
  > FOUND MAIN DECK INTERCOSTAL WEB CRACKED BS 1220 L=1.5"LBL 99-120. REPAIRED WEB IAW J/C5313-02D.
- [SDR DALA1201616303](https://openairdocs.org/sdr/DALA1201616303.md): Intercostal · cracked · Jan 11, 2012 · N663US · Boeing 747451 · Fuselage Miscellaneous Structure
  > FOUND MAIN DECK INTERCOSTAL WEB CRACKED BS 1200 L=1". MAINTENANCE REPLACED THE INTERCOSTAL WEB PER J/C 5313-07C.
- [SDR DALA1201536303](https://openairdocs.org/sdr/DALA1201536303.md): Floorbeam · corroded · Jan 11, 2012 · N663US · Boeing 747451 · Fuselage Main, Floor Beam
  > MAIN DECK FLOORBEAM UPPER SURFACE OF UPPER TEE CORRODED BS 880 RBL 22-34. S=2"X1. REPAIRED FLOORBEAM PER SRM 53-20-51 REPAIR 5 FIG 201.

Next page: https://openairdocs.org/deregistered/N663US-2018-05-22/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 = 'N663US' AND deregistration_id = 'N663US-2018-05-22'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/deregistered/N663US-2018-05-22/reports

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