# Service difficulty reports: N421ZW

A list on [N421ZW](https://openairdocs.org/aircraft/N421ZW.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 5 · 212 reports

- [SDR A6WA202110267937](https://openairdocs.org/sdr/A6WA202110267937.md): None · none · Oct 26, 2021 · N421ZW · Cndair CL6002B19 · Engine Exhaust System
  > LH REV UNLOCK CAUTION MSG ON TAKEOFF. ABORTED TAKEOFF AT 50 KNOTS. MAX BTMS READINGS 7612. RETN TO GATE. C/W M ACTION OF MEL 78-30-01. REF 348418/1 FOR TR MEL ***AIRCRAFT REMOVED FROM SERVICE*** SEE W/O 309759 MWC'S #5 & 6 FOR R&R OF LH ENG MICROSWITCH BRAC
- [SDR A6WA202102087610](https://openairdocs.org/sdr/A6WA202102087610.md): Sensor · malfunctioned · Feb 5, 2021 · N421ZW · Cndair CL6002B19 · Fuel Controlling System
  > AFTER TO LH ENG AT POWER SETTINGS ABOVE 79% N1 SURGING AS MUCH AS 7%. ***AIRCRAFT REMOVED FROM SERVICE*** R&R LH ENG T2 SENSOR REF AMM 73-21 OPS CHECK GOOD P/N 4033T65P03, S/N OFF EGNM7301, S/N ON EGNJ6173. - LN
- [SDR A6WA202009227293](https://openairdocs.org/sdr/A6WA202009227293.md): Floor Support · corroded · Sep 21, 2020 · N421ZW · Cndair CL6002B19 · Fuselage Miscellaneous Structure
  > CARGO FLOOR BEAM CLOSET TO CARGO DOOR FS 580 TO FS 621 LBL 27 HAS SIGNS OF CORROSION. AIRCRAFT REMOVED FROM SERVICE. REMOVED AND REPLACED FLOOR BEAM, IAW 601R35031.
- [SDR A6WA2020032647238](https://openairdocs.org/sdr/A6WA2020032647238.md): Relay · failed · Mar 24, 2020 · N421ZW · Cndair CL6002B19 · Landing Gear Position and Warning
  > WOW INPUT AND STEERING INOP CAUTION MESSAGES AFTER GEAR RETRACTION. WOW OUTPUT FAILED STATUS MESSAGE ALSO. C/W QRH MESSAGES CLEARED AFTER GEAR EXTENTION AND CYCLING NOSE WHEEL STEERING SWITCH. "AIRCRAFT REMOVED FROM SERVICE" R&R'D WOW 1 RELAY Y "K1GA" PER C
- [SDR A6WA202020347149](https://openairdocs.org/sdr/A6WA202020347149.md): Anti-Ice Valve · malfunctioned · Feb 2, 2020 · N421ZW · Cndair CL6002B19 · Airfoil Anti/De-ice System
  > DURING CLIMOUT AFTER SELECTING ANTI ICE OFF RECEIVED LEFT COWL ANTIICE CAUTION FOLLOWED QRH SUSPECTED HIGH PRESSURE CONDITION. AIRCRAFT REMOVED FROM SERVICE R&R'D LH COWL ANTI ICE VALVE IAW AWA SUP 10-094, OPS CHECK GOOD WITH CREW ASSISTANCE. PN ON:
- [SDR A6WA2019121147052](https://openairdocs.org/sdr/A6WA2019121147052.md): Pressure Switch · malfunctioned · Dec 10, 2019 · N421ZW · Cndair CL6002B19 · Airfoil Anti/De-ice System
  > LEFT & RIGHT WING ANTI-ICE CAUTION MESSAGES IN ICING CONDITIONS, C/W QRH, LEFT ICING & RAN ICE DISPERSAL PROCEDURES. MESSAGE CLEARED FOR 2 MINS THEN RETURNS. ANTI-ICE WAS SELECTED TO NORMAL, OPENED ISOLATION VALVE, MESSAGE REMAINED. WENT TO STBY, MESSAGE CLEAR
- [SDR A6WA2019101746930](https://openairdocs.org/sdr/A6WA2019101746930.md): Actuator · broken · Oct 16, 2019 · N421ZW · Cndair CL6002B19 · Engine Thrust Reverser
  > "SUPPLEMENTAL INFORMATION" L REV UNLOCK CAUTION MESSAGE IN FLIGHT TR NOT ARMED AMBER REV ICON PHYSICALLY NOT STOWED EMER STOW PRESSED MSG REMAINS. REMOVED FROM SERVICE TO MEL. FOUND BROKEN T/R BALL SCREW ACTUATOR. R&R'D LT ENGINE LOWER INBOARD BALL SCREW AC
- [SDR A6WA2019100746903](https://openairdocs.org/sdr/A6WA2019100746903.md): Actuator · unlocked · Oct 2, 2019 · N421ZW · Cndair CL6002B19 · Engine Thrust Reverser
  > LEFT REVERSER UNLOCKED IN FLT NO ADVERSE HANDLING CHARACTERISTICS. RAN QRH. L REV UNLOCK CAUTION MESSAGE IN FLIGHT TR NOT ARMED AMBER REV ICON PHYSICALLY NOT STOWED EMER STOW PRESSED MSG REMAINS. REMOVED FROM SERVICE TO MEL. FOUND BROKEN T/R BALL SCREW ACTU
- [SDR A6WA2018112546188](https://openairdocs.org/sdr/A6WA2018112546188.md): Door Sill · corroded · Nov 24, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Miscellaneous Structure
  > RT FLOOR SILL IS CORRODED FROM FS 559+86 TO FS 559+112 AT RBL 47. REMOVED AND REPLACED RT FLOOR SILL AT FS 559+86 TO FS 559+112 AT RBL 47 IAW SRM 51-42-06 AND 51-42-21.
- [SDR A6WA2018112546183](https://openairdocs.org/sdr/A6WA2018112546183.md): Hinge · gouged · Nov 21, 2018 · N421ZW · Cndair CL6002B19 · Fuselage, Door Hinge
  > PAX DOOR HINGE HALF (FUSELAGE SIDE) IS GOUGED FROM THE ROLL PIN. REMOVED AND REPLACED FUSELAGE SIDE HINGE IAW SRM 53-21-23.
- [SDR A6WA2018112546184](https://openairdocs.org/sdr/A6WA2018112546184.md): Floorbeam · corroded · Nov 20, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Main, Floor Beam
  > CENTER ISLE FLOOR LANDING IS CORRODED AROUND THE FASTENER HOLES AT RBL 9 FS 409 TO 409+128. REMOVED AND REPLACED FLOORBEAM SECTION 409-409+128 IAW SRM 51-42-21 AND 51-42-34.
- [SDR A6WA2018112146172](https://openairdocs.org/sdr/A6WA2018112146172.md): Floor Support · corroded · Nov 20, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Miscellaneous Structure
  > CENTER ISLE FLOOR LANDINGS FROM FS 409 TO 409+128 LBL 9 IS CORRODED. REPLACED REPLACED CENTER ISLE FLOOR LANDINGS FROM FS 409 TO 409+128 LBL 9 IAW CRJ 200 SRM'S 51-42-06 AND 51-42-21
- [SDR A6WA2018112146173](https://openairdocs.org/sdr/A6WA2018112146173.md): Floorbeam · corroded · Nov 20, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Main, Floor Beam
  > FLOOR BEAM ANGLE UNDER STRAP CORRODED ON UPPER SURFACE FS 349 LBL 37. REPLACED REPLACED FLOOR BEAM ANGLE AT FS 349 LBL 37 IAW CRJ 200 SRM 51-42-21
- [SDR A6WA2018112146171](https://openairdocs.org/sdr/A6WA2018112146171.md): Floorbeam · corroded · Nov 20, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Main, Floor Beam
  > FLOOR BEAM UPPER SURFACE AT FS 349 AND LBL 40 CORRODED REPAIRED REPAIRED FLOOR BEAM UPPER SURFACE AT FS 349 AND LBL 40 IAW ASAP EA# AWAC-CRJ253-01077 REV A
- [SDR A6WA2018112146170](https://openairdocs.org/sdr/A6WA2018112146170.md): Floor Support · corroded · Nov 19, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Structure (General)
  > FLOOR BEAM AT RBL 9 FROM FS 559+66 TO 559+80 CORRODED. REPLACED REPLACED FLOOR BEAM AT RBL 9 FROM FS 559 TO 569 IAW CRJ 200 SRM'S 51-42-06, 51-41-21, 51-42-22 AND 53-61-43
- [SDR A6WA2018112546185](https://openairdocs.org/sdr/A6WA2018112546185.md): Door Sill · corroded · Nov 15, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Miscellaneous Structure
  > SERVICE DOOR LOWER SILL HAS EVIDENCE OF CORROSION. REMOVED AND REPLACED SERVICE DOOR LOWER SILL IAW SRM 51-42-21 AND 51-42-10.
- [SDR A6WA2018112146177](https://openairdocs.org/sdr/A6WA2018112146177.md): Angle · cracked · Nov 15, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Main, Bulkhead
  > NLG WHEEL WELL 202 BULKHEAD LH POST UNDER TRU DECK HAS AN OB CLIP CRACKED. REPLACED REPLACED NLG WHEEL WELL 202 BULKHEAD LH POST UNDER TRU DECK OB CLIP IAW CRJ 200 SRM 51-42-06
- [SDR A6WA2018111246176](https://openairdocs.org/sdr/A6WA2018111246176.md): Skin · dented · Nov 15, 2018 · N421ZW · Cndair CL6002B19 · Trailing Edge Flaps
  > LH INBD FLAP LOWER SKIN PANEL DENTED AND DINGED WITH HEAVY PITTING. REPLACED REPLACED LH INBD FLAP LOWER SKIN PANEL IAW CRJ 200 SRM 57-42-13
- [SDR A6WA2018112546182](https://openairdocs.org/sdr/A6WA2018112546182.md): Intercostal · cracked · Nov 14, 2018 · N421ZW · Cndair CL6002B19 · Cargo/Baggage Doors
  > CARGO DOOR LOWER AFT INTERCOSTAL IS CRACKED ON THE OB FLANGE. REMOVED AND REPLACED CARGO DOOR LOWER AFT INTERCOSTAL IAW SRM 51-42-06 AND 51-42-21.
- [SDR A6WA2018112146174](https://openairdocs.org/sdr/A6WA2018112146174.md): Landing · cracked · Nov 14, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Main, Plate/Skin
  > LH TRU DOOR PANEL LANDING SKIN IS CRACKED BY THE AFT LATCH. REPLACED REPLACED LH TRU DOOR PANEL LANDING IAW CRJ 200 SRM 51-42-06 AND AWAC SUPP 17-280
- [SDR A6WA2018112146175](https://openairdocs.org/sdr/A6WA2018112146175.md): Rib · cracked · Nov 14, 2018 · N421ZW · Cndair CL6002B19 · Ailerons
  > LH AILERON LEADING EDGE RIB AT STA 342.481 GOUGED AND CRACKED. REPLACED REPLACED LH AILERON LEADING EDGE RIB AT STA 342.481 IAW CRJ 200 SRM 51-42-21 AND 51-42-06
- [SDR A6WA2018111446160](https://openairdocs.org/sdr/A6WA2018111446160.md): Drag Angle · cracked · Nov 12, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Main, Attach Fittings
  > LEFT BATT RIB DRAG ANGLE IS CRACKED. REPLACED LEFT BATT RIB DRAG ANGLE IAW CRJ200 SRM 51-42-21.
- [SDR A6WA2018111446161](https://openairdocs.org/sdr/A6WA2018111446161.md): Drag Angle · cracked · Nov 12, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Main, Attach Fittings
  > RIGHT BATT RIB DRAG ANGLE IS CRACKED. REPLACED RIGHT BATT RIB DRAG ANGLE IAW CRJ 200 SRM 51-42-21.
- [SDR A6WA2018111246149](https://openairdocs.org/sdr/A6WA2018111246149.md): Seat Track · corroded · Nov 11, 2018 · N421ZW · Cndair CL6002B19 · Fuselage, Seat/Cargo Attach Fittings
  > RT NR 7 SIDE SEAT RAIL CORRODED. REPLACED RT NR 7 SIDE SEAT RAIL IAW AMM 53-01-11.
- [SDR A6WA2018111246152](https://openairdocs.org/sdr/A6WA2018111246152.md): Bulkhead · cracked · Nov 11, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Main, Bulkhead
  > AFT PRESSURE BULKHEAD AT UPPER END OF CARGO DOOR TRACK CRACKED. REPAIRED AFT PRESSURE BULKHEAD AT UPPER END OF CARGO DOOR TRACK IAW REO 601R-53-61-1541 REV F.
- [SDR A6WA2018111246150](https://openairdocs.org/sdr/A6WA2018111246150.md): Floor Support · corroded · Nov 10, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Miscellaneous Structure
  > FLOOR SUPPORT AT FS 559+80 AT RBL 12 IS CORRODED. REPLACED FLOOR SUPPORT AT FS 559+80 AT RBL 12 IAW SRM 51-42-06.
- [SDR A6WA2018111246151](https://openairdocs.org/sdr/A6WA2018111246151.md): Floor Support · corroded · Nov 10, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Miscellaneous Structure
  > FLOOR SUPPORT AT FS 559+80 AT RBL 38 CORRODED. REPLACED FLOOR SUPPORT AT FS 559+80 AT RBL 38 IAW SRM 51-42-06.
- [SDR A6WA2018111446163](https://openairdocs.org/sdr/A6WA2018111446163.md): Seat Track · corroded · Nov 8, 2018 · N421ZW · Cndair CL6002B19 · Fuselage, Door Hinge
  > RIGHT FLOOR SEAT TRACK #5 CORRODED. REPLACED SEAT TRACK IAW CRJ200 AMM 53-01-11.
- [SDR A6WA2018111446162](https://openairdocs.org/sdr/A6WA2018111446162.md): Seat Track · corroded · Nov 8, 2018 · N421ZW · Cndair CL6002B19 · Fuselage, Powerplant Attach Fittings
  > RIGHT FLOOR SEAT TRACK #4 CORRODED. REPLACED SEAT TRACK IAW CRJ 200 AMM 53-01-11.
- [SDR A6WA2018111246148](https://openairdocs.org/sdr/A6WA2018111246148.md): Attach Angle · cracked · Nov 7, 2018 · N421ZW · Cndair CL6002B19 · Wing, Attach Fittings
  > LT WING LE PANEL 520ML ATTACHMENT ANGLES CRACKED. REPLACED.
- [SDR A6WA2018110946141](https://openairdocs.org/sdr/A6WA2018110946141.md): Structure · cracked · Nov 7, 2018 · N421ZW · Cndair CL6002B19 · Ailerons
  > R/H AILERON ON THE I/B SIDE HAS BEEN CHAFING/CRACKED. REPAIRED REPAIRED R/H AILERON ON THE I/B SIDE IAW AWAC SUPPLEMENT 18-324
- [SDR A6WA2018110946140](https://openairdocs.org/sdr/A6WA2018110946140.md): Plate · cracked · Nov 6, 2018 · N421ZW · Cndair CL6002B19 · Trailing Edge Flaps
  > FLAP PANEL 684AB HAS 2 CRACKED ATTACH PLATES. REPLACED ATTACH PLATED IAW CRJ200 SRM 51-42-06.
- [SDR A6WA2018110646139](https://openairdocs.org/sdr/A6WA2018110646139.md): Attach Angle · cracked · Nov 5, 2018 · N421ZW · Cndair CL6002B19 · Fuselage, Wing Attach Fittings
  > LEFT WING TO FUSELAGE PANEL ATTACH ANGLE IS CRACKED AT FS 450.00. REPLACED ANGLE IAW CRJ200 SRM 51-42-06.
- [SDR A6WA2018110646138](https://openairdocs.org/sdr/A6WA2018110646138.md): Attach Angle · cracked · Nov 5, 2018 · N421ZW · Cndair CL6002B19 · Fuselage, Wing Attach Fittings
  > LEFT WING TO FUSELAGE PANEL ATTACH ANGLE CRACKED AT FS 476.00. REPLACED ANGLE IAW CRJ200 SRM 51-42-06.
- [SDR A6WA2018110646136](https://openairdocs.org/sdr/A6WA2018110646136.md): Attach Angle · cracked · Nov 4, 2018 · N421ZW · Cndair CL6002B19 · Fuselage, Wing Attach Fittings
  > RIGHT WING TO FUSELAGE PANEL ATTACH ANGLE IS CRACKED AT FS 476.00. REPLACED ANGLE IAW CRJ 200 SRM 51-42-06.
- [SDR A6WA2018110646137](https://openairdocs.org/sdr/A6WA2018110646137.md): Attach Angle · cracked · Nov 4, 2018 · N421ZW · Cndair CL6002B19 · Fuselage, Wing Attach Fittings
  > RIGHT WING TO FUSELAGE PANEL ATTACH ANGLE IS CRACKED AT FS450.00. REPLACED ANGLE IAW CRJ200 SRM 51-42-06.
- [SDR A6WA2018111246156](https://openairdocs.org/sdr/A6WA2018111246156.md): Seat Track · corroded · Oct 26, 2018 · N421ZW · Cndair CL6002B19 · Fuselage, Seat/Cargo Attach Fittings
  > NUMBER 3 SEAT TRACK AT RBL 9 IS CORRODED. REMOVED AND REPLACED NR 3 SEAT TRACK IAW AMM 53-01-11.
- [SDR A6WA2018102346122](https://openairdocs.org/sdr/A6WA2018102346122.md): Fitting · cracked · Oct 22, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Miscellaneous Structure
  > CARGO DOOR BEAM LOWER AFT CLIP CRACKED AT THE APB. REPLACED CARGO DOOR CLIP IAW SRM 51-24-16, 51-40-11, 51-24-36, 51-42-21.
- [SDR A6WA2018102246120](https://openairdocs.org/sdr/A6WA2018102246120.md): Landing · bent · Oct 21, 2018 · N421ZW · Cndair CL6002B19 · Fuselage Main, Plate/Skin
  > FWD AND AFT LANDINGS ARE DAMAGED ON DOOR CUT OUT. REPLACED AFT LANDINGS AND REPAIRED FWD LANDING IAW SRM 51-42-06 AND SUPP. 16-191.
- [SDR A6WA2018101846115](https://openairdocs.org/sdr/A6WA2018101846115.md): Switch · malfunctioned · Oct 15, 2018 · N421ZW · Cndair CL6002B19 · Door Warning System
  > CLIMBING THROUGH 14,000 FEET RECEIVED PASSENGER DOOR OUTER HANDLE CAUTION. C/W QRH THEN RECEIVED PASSENGER DOOR MASTER WARNING. GREEN WITNESS MARKS REMAINED ALIGNED. R&R S102 MICROSWITCH AND PS1MB PROX SWITCH. PERFORMED OPS CHECKS IAW AMM 52-20-04. OPS CHECK G
- [SDR A6WA201745376](https://openairdocs.org/sdr/A6WA201745376.md): Ball Screw · lack of lube · Oct 24, 2017 · N421ZW · Cndair CL6002B19 · Engine Thrust Reverser
  > RECEIVED A RIGHT THRUST REVERSER UNLOCK CAUTION MESSAGE INFLIGHT AT 31,000 FEET. COMPLIED WITH QRH, AMBER REVERSER ICON APPEARED ON N1 GAUGE, DIVERTED. FAILED TORQUE CHECK ON RT THRUST REVERSER. COMPLIED WITH A LUBE OF THE BALL SCREWS AND THRUST REVERSER TR
- [SDR A6WA201644368](https://openairdocs.org/sdr/A6WA201644368.md): Doubler · corroded · Sep 24, 2016 · N421ZW · Cndair CL6002B19 · Fuselage Main, Frame
  > ANGLE DOUBLER REPAIR ON THE BACK SIDE OF FRAME 349 HAS CORROSION BETWEEN STR 27 AND STR 26L IN THE FORWARD E & E BAY. REPLACED ANGLE DOUBLER ON THE BACK SIDE OF FRAME 349 BETWEEN STR 27 AND STR 26L IAW SRM 51-42-06, 51-42-21 AND REO 601R-53-21-1200, REV-A.
- [SDR A6WA201644363](https://openairdocs.org/sdr/A6WA201644363.md): Intercostal · cracked · Sep 23, 2016 · N421ZW · Cndair CL6002B19 · Passenger/Crew Doors
  > PASSENGER DOOR FS 338.90 AT LOWER STEP INTERCOSTAL IS CRACKED.
- [SDR A6WA201644364](https://openairdocs.org/sdr/A6WA201644364.md): Frame · corroded · Sep 23, 2016 · N421ZW · Cndair CL6002B19 · Fuselage Main, Frame
  > FRAME 349 HAS CORROSION BETWEEN STR 25L AND STR 25R.
- [SDR A6WA201644366](https://openairdocs.org/sdr/A6WA201644366.md): Hinge · dented · Sep 23, 2016 · N421ZW · Cndair CL6002B19 · Passenger/Crew Doors
  > PASSENGER DOOR HINGE HALF GOUGED, DENTED AT AFT END.
- [SDR A6WA201644359](https://openairdocs.org/sdr/A6WA201644359.md): Skin · dented · Sep 23, 2016 · N421ZW · Cndair CL6002B19 · Trailing Edge Flaps
  > RIGHT INBOARD FLAP LOWER SKIN HAS DENT AT WS 74.0.
- [SDR A6WA201644357](https://openairdocs.org/sdr/A6WA201644357.md): Door Sill · corroded · Sep 23, 2016 · N421ZW · Cndair CL6002B19 · Fuselage Miscellaneous Structure
  > CARGO DOOR SILL HAS NUMEROUS BARE METAL AND CORROSION SPOTS ON TH TOP AND BOTTOM SIDES BETWEEN BS 559+112 AND 621. REPLACED CARGO DOOR SILL IAW SRM 51-42-06, AND 51-42-21.
- [SDR A6WA201644358](https://openairdocs.org/sdr/A6WA201644358.md): Intercostal · cracked · Sep 23, 2016 · N421ZW · Cndair CL6002B19 · Fuselage Miscellaneous Structure
  > LEFT INTERCOSTAL AT FS 621 TO FS 625, STRINGER 13L IS CRACKED.
- [SDR A6WA201644355](https://openairdocs.org/sdr/A6WA201644355.md): Bracket · cracked · Sep 22, 2016 · N421ZW · Cndair CL6002B19 · Service Doors
  > SERVICE DOOR POSITION SENSOR MOUNTING BRACKET ON DOOR IS CRACKED.
- [SDR A6WA201644356](https://openairdocs.org/sdr/A6WA201644356.md): Angle · cracked · Sep 22, 2016 · N421ZW · Cndair CL6002B19 · Passenger/Crew Doors
  > PAX DOOR STAIR ASSEMBLY LWR AFT ANGLE CRACKED AT RADIUS. REPLACED PAX DOOR STAIR AFT LOWER ANGLE IAW SRM 51-42-13, 51-42-06.

Next page: https://openairdocs.org/aircraft/N421ZW/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 = 'N421ZW' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N421ZW/reports

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