# Service difficulty reports: N321CM

A list on [N321CM](https://openairdocs.org/aircraft/N321CM.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 7 · 302 reports

- [SDR IXXA202603230025](https://openairdocs.org/sdr/IXXA202603230025.md): Window · damaged · Mar 20, 2026 · N321CM · Boeing 767323 · Flight Compartment Windows
  > CREW REPORTED WHILE IN DESCENT, SMOKE I THE COCKPIT FROM RIGHT FORWARD WINDOW GLARE SHIELD. EMERGENCY WAS DECLARED AND ARRIVED WTHOUT INCIDENT NO OTHER PRECAUTIONARY ACTIONS TAKEN. AIRCRAFT WAS GROUNDED FOR INSPECTION AND MAINTENANCE. REMOVED AND REPLACED R1
- [SDR IXXA20260312022](https://openairdocs.org/sdr/IXXA20260312022.md): None · odor · Mar 12, 2026 · N321CM · Boeing 767323 · Air Distribution System
  > CREW REPORTED POSSIBLE BIRD STRIKE ON DEPARTURE. BAD SMELL FROM AIR VENTS ON RIGHT SIDE. ACCOMPLISHED 767 CONDITIONAL INSPECTION PHASE 1 NO DEFECTS NOTED. FOUND GREASE SPOTS NEAR RIGHT PACK INLET. CLEANED IAW SOPM 20-30-03. OPERATED LEFT AND RIGHT PACKS IAW AM
- [SDR IXXA20251109075](https://openairdocs.org/sdr/IXXA20251109075.md): Battery Pack · inoperative · Nov 9, 2025 · N321CM · Boeing 767323 · Emergency Lighting
  > EMERGENCY SLIDE LIGHT BELOW L1 DOOR INOPERATIVE. REMOVED AND REPLACED M736 POWER SUPPLY AND M736 BATTERY PACK IAW B767 AMM 33-51-07 IN ACCORDANCE WITH B767 AIRCRAFT MM 33-51-07. OPERATIONAL CHECK IN ACCORDANCE WITH B767 AIRCRAFT MAINTENANCE MANUAL 33-51-06 NOT
- [SDR NACA2025032800002](https://openairdocs.org/sdr/NACA2025032800002.md): Cooling Duct · cracked · Mar 28, 2025 · N321CM · Boeing 767323 · Engine Cooling System
  > #2 ENG MANIFOLD COOLING DUCT CRACK AT 7 AND 12 OCLOCK POSIITION. REPLACED 2 EA LPT COOLING AIR MANIFOLD
- [SDR NACA2025032100003](https://openairdocs.org/sdr/NACA2025032100003.md): Start Valve · failed · Mar 21, 2025 · N321CM · Boeing 767323 · Engine Start Valves/Controls
  > #1 ENG START FAIL #1 ENG STARTER. REPLACED #1 ENG START VALVE.
- [SDR NACA2025032100002](https://openairdocs.org/sdr/NACA2025032100002.md): Bracket · cracked · Mar 21, 2025 · N321CM · Boeing 767323 · Fuselage Miscellaneous Structure
  > FOUND LH PACK HEAT EXCHANGER LWR ACCESS DOOR BRACKET CRACK. REPLACED ACCESS DOOR BRACKET AT HEAT EXCHANGER.
- [SDR NACA2025031700003](https://openairdocs.org/sdr/NACA2025031700003.md): Duct · separated · Mar 17, 2025 · N321CM · Boeing 767323 · Air Distribution System
  > FOUND LH PACK AIR CONDITIONING DUCT SEPARATED AND DAMAGED. REPLACED DUCT ASSEMBLY
- [SDR NACA20250414002](https://openairdocs.org/sdr/NACA20250414002.md): Gasket · damaged · Mar 17, 2025 · N321CM · Boeing 767323 · Air Distribution System
  > FOUND R/H ECS BAY CABIN AIR SUPPLY CHK VALVE GASKET DAMAGE.
- [SDR NACA2025031700001](https://openairdocs.org/sdr/NACA2025031700001.md): Beam · corroded · Mar 17, 2025 · N321CM · Boeing 767323 · Cargo/Baggage Doors
  > CORRODED BEAM, FWD CGO DOOR LOWER INNER PANEL NUTPLATE AREA.
- [SDR NACA2025041400006](https://openairdocs.org/sdr/NACA2025041400006.md): Skin · corroded · Mar 15, 2025 · N321CM · Boeing 767323 · Wing, Plate/Skin
  > CORROSION-SKIN, R/H WING INBD INSPAR UPPER EXTERNAL SURFACE WS 314~WS 433.
- [SDR NACA2025031500005](https://openairdocs.org/sdr/NACA2025031500005.md): Rib · cracked · Mar 15, 2025 · N321CM · Boeing 767323 · Wing, Rib/Bulkhead
  > CRACKED RIB, AFT FACE OF L/H WING INBD T/E CAVITY AFT LOWER RIB, WBL 127.
- [SDR NACA2025031500004](https://openairdocs.org/sdr/NACA2025031500004.md): Skin · deformed · Mar 15, 2025 · N321CM · Boeing 767323 · Auxiliary Power Unit (APU) Doors
  > SKIN DEFORMED, BOTH APU DOOR INBD SIDE SKIN EDGE.
- [SDR NACA2025031500003](https://openairdocs.org/sdr/NACA2025031500003.md): Skin · corroded · Mar 15, 2025 · N321CM · Boeing 767323 · Fuselage Main, Plate/Skin
  > SKIN CORRODED, R/H AFT FUSELAGE UPPER OF H.S.T INBD STA 1725.5 - STA 1788.
- [SDR NACA2025031500002](https://openairdocs.org/sdr/NACA2025031500002.md): Skin · damaged · Mar 15, 2025 · N321CM · Boeing 767323 · Auxiliary Power Unit (APU) Doors
  > SKIN, R/H APU DOOR LATCH CUTOUT #3 LATCH FROM FWD.
- [SDR NACA2025031400003](https://openairdocs.org/sdr/NACA2025031400003.md): Structure · damaged · Mar 14, 2025 · N321CM · Boeing 767323 · Cargo/Baggage Doors
  > DEFORMED & DENTED FORWARD CARGO DOOR CUTOUT LOWER AREA.
- [SDR NACA2025031400002](https://openairdocs.org/sdr/NACA2025031400002.md): Bracket · cracked · Mar 14, 2025 · N321CM · Boeing 767323 · Wing Miscellaneous Structure
  > CRACKED BRACKET, R/H WING INBD L/E CAVITY TORQUE TUBE SUPPORT BRACKET.
- [SDR NACA2025031400001](https://openairdocs.org/sdr/NACA2025031400001.md): Former · cracked · Mar 14, 2025 · N321CM · Boeing 767323 · Wing Main, Frame Structure
  > CRACK- FORMER R/H WING OUTBD L/E CAVITY CURTAUN SUPPORT BRACKEWT OSS 565.
- [SDR NACA2025031300007](https://openairdocs.org/sdr/NACA2025031300007.md): Housing · leaking · Mar 13, 2025 · N321CM · Boeing 767323 · Accessory Gearboxes
  > FUEL LEAK #1 ENGINE ACCESSORY GEARBOX FORWARD MID LOWER MAIN FUEL CONTROL HOUSING. LEAK CHECK, NO LEAK FOUND.
- [SDR NACA2025041430006](https://openairdocs.org/sdr/NACA2025041430006.md): Skin · corroded · Mar 13, 2025 · N321CM · Boeing 767323 · Service Doors
  > CORROSION-SKIN, R2 DOOR EXTERNAL SURFACE.
- [SDR NACA2025041430005](https://openairdocs.org/sdr/NACA2025041430005.md): Skin · corroded · Mar 13, 2025 · N321CM · Boeing 767323 · Wing Structure
  > CORROSION-SKIN, L/H WING INSPAR LOWER SKIN LOWER SURFACE, WS 846, REAR SPAR.
- [SDR NACA2025031300004](https://openairdocs.org/sdr/NACA2025031300004.md): Skirt · damaged · Mar 13, 2025 · N321CM · Boeing 767323 · Nacelle/Pylon, Main Frame
  > BOLT HOLE NR 1 NACELLE AFT SKIRT FAIIRNG INNER LH 1 ST HINGE SUPPORT BRACKET OVERSIZED.
- [SDR NACA2025031300003](https://openairdocs.org/sdr/NACA2025031300003.md): Beam · cracked · Mar 13, 2025 · N321CM · Boeing 767323 · Wing Main, Frame Structure
  > CRACKED BEAM, LOWER SIDE OF L/H WING OUTBD L/E NOSE BEAM, OSS 679.82.
- [SDR NACA2025031200002](https://openairdocs.org/sdr/NACA2025031200002.md): Nut Plate · damaged · Mar 12, 2025 · N321CM · Boeing 767323 · Wing Miscellaneous Structure
  > FOUND NUTPLATE DAMAGE AT ZONE 500 PNL NO.551UB 1EA.
- [SDR NACA2025031100012](https://openairdocs.org/sdr/NACA2025031100012.md): Manifold · cracked · Mar 11, 2025 · N321CM · Boeing 767323 · Engine Cooling System
  > RIGHT ENGINE LPD MANIFOLD COOLING SKIN CRACK LEFT SIDE. REPLACED THE #10 LPT COOLING AIR MANIFOLD
- [SDR NACA2025031100011](https://openairdocs.org/sdr/NACA2025031100011.md): Wire Harness · damaged · Mar 11, 2025 · N321CM · Boeing 767323 · Engine Indicating System Wiring
  > RH ENG LOWER EGT WIRE BUNDLE DAMAGED IN SEVERAL AREAS. REPLACED RH EGT LOWER WIRE CABLES.
- [SDR NACA2025031100010](https://openairdocs.org/sdr/NACA2025031100010.md): Wire Harness · damaged · Mar 11, 2025 · N321CM · Boeing 767323 · Engine Indicating System Wiring
  > RH EGT UPPER WIRE BUNDLE DAMAGED IN SEVERAL AREAS. REPLACED RH UPPER EGT CABLES
- [SDR NACA2025031100009](https://openairdocs.org/sdr/NACA2025031100009.md): Controller · no test · Mar 11, 2025 · N321CM · Boeing 767323 · Cabin Cooling System
  > PERFORM PACK STANDBY CONTROLLER BITE FOUND L NO GO LAMP ON WHEN TURN THE TEST SWITCH TO POSITION 7, REMOVED AND REPLACED LH PACK LOWER COMPRESSOR OUTLET SENSOR
- [SDR NACA2025031100008](https://openairdocs.org/sdr/NACA2025031100008.md): Wire · damaged · Mar 11, 2025 · N321CM · Boeing 767323 · Air Conditioning System Wiring
  > PERFORM PACK CONTROLLER STANDBY BITE FOUND L NO GO LAMP ON WHEN TURN THE TEST SWITCH TO POSITION 7. REPLACED LH PACK LOWER COMPRESSOR SENSOR. REPLACED WIRES W5312-001-18, W5312-002-18, W5312-003-18 IAW WDM 36-23-21 REV 3.
- [SDR NACA20250414009](https://openairdocs.org/sdr/NACA20250414009.md): Controller · no test · Mar 11, 2025 · N321CM · Boeing 767323 · Air Conditioning System
  > PERFORM PACK STANDBY CONTROLLER BITE FOUND L NO GO LAMP ON WHEN TURN THE TEST SWITCH TO POSITION 7.
- [SDR NACA2025041410008](https://openairdocs.org/sdr/NACA2025041410008.md): Wire · faulted · Mar 11, 2025 · N321CM · Boeing 767323 · Electrical Power System Wiring
  > PERFORM AIR SUPPLY BITE FOUND R FAN BITE SWITCH AND WIRE FAULT.
- [SDR NACA2025041401](https://openairdocs.org/sdr/NACA2025041401.md): Wire · faulted · Mar 11, 2025 · N321CM · Boeing 767323 · Air Conditioning System Wiring
  > PERFORM AIR SUPPLY BITE FOUND R FAN BITE SWITCH AND WIRE FAULT.
- [SDR NACA2025041400007](https://openairdocs.org/sdr/NACA2025041400007.md): Not Reported · corroded · Mar 11, 2025 · N321CM · Boeing 767323 · Fuselage Structure (General)
  > CORROSION - DURING PERFORM EO 767-27-0012-02 FOUND THE CORROSION AT STA 1725.5 BETWEEN S-33L ~ S-33R.
- [SDR NACA2025031100006](https://openairdocs.org/sdr/NACA2025031100006.md): Former · cracked · Mar 11, 2025 · N321CM · Boeing 767323 · Wing Main, Frame Structure
  > CRACK - FORMER, FWD SIDE OF L/H WING OUTBD L/E NOSE BEAM, OSS 648.6.
- [SDR NACA2025031100005](https://openairdocs.org/sdr/NACA2025031100005.md): Skin · corroded · Mar 11, 2025 · N321CM · Boeing 767323 · Wing, Plate/Skin
  > CORROSION - SKIN, L/H WING INSPAR LOWER SKIN LOWER SURFACE, WBL 99, NEAR L-10.
- [SDR NACA2025031000007](https://openairdocs.org/sdr/NACA2025031000007.md): Pressure Switch · no test · Mar 10, 2025 · N321CM · Boeing 767323 · Engine Fuel Distribution
  > FOUND FUEL PRESSURE SWITCH TEST FAIL AT ENGINE 2. REPLACED SWITCH FOR ENGINE 2.
- [SDR NACA20250414006](https://openairdocs.org/sdr/NACA20250414006.md): Starter · failed · Mar 10, 2025 · N321CM · Boeing 767323 · Engine Starter
  > START FAIL - NO.1 ENG STARTER.
- [SDR NACA2025031000005](https://openairdocs.org/sdr/NACA2025031000005.md): Pressure Switch · no test · Mar 10, 2025 · N321CM · Boeing 767323 · Engine Fuel Distribution
  > FOUND FUEL PRESSURE SWITCH TEST FAIL AT ENGINE 2.
- [SDR NACA2025021400002](https://openairdocs.org/sdr/NACA2025021400002.md): Eec · failed · Feb 14, 2025 · N321CM · Boeing 767323 · Fuel Controlling System
  > BOTH EEC FAILED, GOT R ENG EEC, L ENG EEC. ACCOMPLISHED FIM 73-21 TREE 804, NO DEFECTS NOTED. SQUAWK CONCURRENT WITH OTHER NAV FAILURES CAUSED BY OBSTRUCTED PITOT-STATIC PORT. PORT CLEANED, PITOT-STATIC SYSTEM TEST GOOD.
- [SDR NACA2025020500001](https://openairdocs.org/sdr/NACA2025020500001.md): Pump · faulted · Feb 5, 2025 · N321CM · Boeing 767323 · Fuel Boost Pump
  > R CTR FUEL PRESS ON EICAS. ACCOMPLISHED FIM 28-22 TASK 805. NO DEFECTS NOTED. CTR R PUMP OPERATES NORMALLY.
- [SDR NACA2025020200001](https://openairdocs.org/sdr/NACA2025020200001.md): Warning Message · false indication · Feb 2, 2025 · N321CM · Boeing 767323 · Cabin Cooling System
  > MI @ PHNL DUE TO LEFT PACK TEMP, RETURNED TO GATE. PACK OPERATES NORMALLY, NO FAULT FOUND IAW FIM 21-51- TASK 877
- [SDR NACA2025020100002](https://openairdocs.org/sdr/NACA2025020100002.md): Valve · failed · Feb 1, 2025 · N321CM · Boeing 767323 · Pneumatic Distribution System
  > L AND R ENG PRV EICAS AND STATUS MESSAGES. REMOVED AND REPLACED RH PRV IAW AMM 36-11-07. REMOVED LH OVERPRESSURE SWITCH.
- [SDR NACA2025011600003](https://openairdocs.org/sdr/NACA2025011600003.md): Sense Line · chafed · Jan 16, 2025 · N321CM · Boeing 767323 · Pneumatic Distribution System
  > L ENG PRV EICAS FOUND CHAFING AT CONTROL SENSE LINE ON LEFT ENG PRV. REMOVED AND REPLACED SUPPLY AND CONTROL SENSE LINE ON L ENG PRV. L ENG PRV WIRES REPAIRE IAW SWPM 20-10-13
- [SDR NACA2025011600002](https://openairdocs.org/sdr/NACA2025011600002.md): Valve · no discrepancy · Jan 16, 2025 · N321CM · Boeing 767323 · Pneumatic Distribution System
  > L ENG PRV. PERFORMED BITE TEST OF AIR SUPPLY MODULE, NO FAULTS DETECTED IAW 36-20 FT 804
- [SDR NACA2025011500001](https://openairdocs.org/sdr/NACA2025011500001.md): Indicator · malfunctioned · Jan 15, 2025 · N321CM · Boeing 767323 · Engine Indicating System
  > DURING MOTORING OF LH ENGINE N2 INDICATION FOUND UNRESPONSIVE. N2 ON STANDBY ENGINE INDICATOR ALSO NONRESPONSIVE. FOUND PIN AT PLUG D4146P PULLED OUT OF THE PLUG. REPLACED PLUG IAW SWPM 20-63-00 OPS TEST NORMAL.
- [SDR NACA202501060002](https://openairdocs.org/sdr/NACA202501060002.md): Warning Message · false indication · Dec 31, 2024 · N321CM · Boeing 767323 · Cabin Temperature Control System
  > AFT CABIN TEMP MSG W INOP LIGHT ON AFT CABIN CONTROLLER. IAW FIM 8763 21-61- FT 912 BITE TEST FOUND NORMAL. AFT CABIN TEMP MESSAGE CLEARED.
- [SDR NACA2024122400002](https://openairdocs.org/sdr/NACA2024122400002.md): Shutoff Valve · failed · Dec 24, 2024 · N321CM · Boeing 767323 · Pneumatic Distribution System
  > L ENG BLEED DOES NOT OPEN W/ENG AT IDLE 34% N1 REQD TO OPEN VALVE. AT IDLE BLEED VALVE CLOSES AND FWD EQUIP VALVE PRESENTS ON EICAS MOMENTARILY. REMOVED AND REPLACED #1 ENG PRSOV REF AMM 36-11-09 OPS CHECK GOOD. NO FAULT NOTED AFTER BITE CHECK. ETOPS GROUND VE
- [SDR NACA2024122400001](https://openairdocs.org/sdr/NACA2024122400001.md): Warning Message · false activation · Dec 24, 2024 · N321CM · Boeing 767323 · Central Warning
  > FWD EQUIP ON EICAS AFTER BOTH ENG START. ACCOMPLISHED FIM 2158 FT 899, OPS CHECK GOOD.
- [SDR NACA2024121000001](https://openairdocs.org/sdr/NACA2024121000001.md): Fire Loop · faulted · Dec 10, 2024 · N321CM · Boeing 767323 · Fire Detection
  > R ENG FIRE LP 2 EICAS MESSAGE. REMOVED AND REPLACED RIGHT ENGINE FIRE LOOP 2 AFT TOP IAW AMM 26-11-02 OPS CHECK SATISFACTORY.
- [SDR NACA2024120300001](https://openairdocs.org/sdr/NACA2024120300001.md): Fuel Filter · warning light · Dec 3, 2024 · N321CM · Boeing 767323 · Engine Fuel Distribution
  > LEFT ENGINE FUEL FILTER STATUS AND CAUTION LIGHT ON CLIMBOUT. REPLACED FUEL FILTER PER 767-300 AMM 73-11-02 LEAK CHECK OK.
- [SDR NACA2024120100002](https://openairdocs.org/sdr/NACA2024120100002.md): Shutoff Valve · failed · Dec 1, 2024 · N321CM · Boeing 767323 · Engine Bleed Air System
  > AFTER START LEFT ENGINE BLEED EICAS STAYS ON UNTIL THRUST IS MOVED TO > 80 N2. REPLACED PRSOV, OPS TEST GOOD IAW AMM 36-11-19

Next page: https://openairdocs.org/aircraft/N321CM/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 = 'N321CM' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N321CM/reports

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