# Service difficulty reports: N744CK

A list on [N744CK](https://openairdocs.org/aircraft/N744CK.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 2 · 81 reports

- [SDR KCSA2026042123](https://openairdocs.org/sdr/KCSA2026042123.md): Battery Pack · discharged · Apr 21, 2026 · N744CK · Boeing 747446 · Emergency Exits
  > 100320914: RIGHT SIDE UPPER DECK DOOR EMERGENCY OPENING SYS BATTERY PACK DEAD A/T: ITEM TRANSFERRED TO DMI #100320914 CAT C DUE 5/1/26 M PROCEDURE COMPLIED WITH IAW B747 MEL 52-23-1-3A PLACARDS INSTALLED. REF DMI #100320914 RH UPPER DECK DOOR BATT PACK INOP.
- [SDR KCSA202604041028](https://openairdocs.org/sdr/KCSA202604041028.md): Battery Pack · no test · Feb 8, 2026 · N744CK · Boeing 747446 · Emergency Exits
  > RIGHT UPPER DECK ESCAPE DOOR BATTERY PACK FAIL PUSH TO TEST LIGHT DURING A/C START UP
- [SDR KCSA202503291046](https://openairdocs.org/sdr/KCSA202503291046.md): Spar · cracked · Mar 29, 2025 · N744CK · Boeing 747446 · Wing Spar
  > DURING ULTRASOUND INSPECTION, CRACK INDICATION NOTED AT LOWER FASTENER HOLE ON RIGHT WING LEADING EDGE UPPER CHORD AT ILES STA 664.
- [SDR KCSA202503261044](https://openairdocs.org/sdr/KCSA202503261044.md): Battery Pack · inoperative · Mar 26, 2025 · N744CK · Boeing 747446 · Emergency Exits
  > RH UPPER DECK DOOR EMERGENCY OPENING BATTERY DOES NOT TEST
- [SDR KCSA202503261043](https://openairdocs.org/sdr/KCSA202503261043.md): Battery Pack · no test · Mar 26, 2025 · N744CK · Boeing 747446 · Doors
  > LH UPPER DECK DOOR EMERGENCY OPENING BATTERY DOES NOT TEST
- [SDR KCSA202503191042](https://openairdocs.org/sdr/KCSA202503191042.md): Stiffener · cracked · Mar 19, 2025 · N744CK · Boeing 747446 · Fuselage Miscellaneous Structure
  > VERTICAL STIFFENER IS CRACKED (1/2") ON THE AFT SIDE OF THE MAIN DECK FLOORBEAM AT STATION 2360 AT RBL 32
- [SDR KCSA202503191041](https://openairdocs.org/sdr/KCSA202503191041.md): Stiffener · cracked · Mar 19, 2025 · N744CK · Boeing 747446 · Fuselage Miscellaneous Structure
  > VERTICAL STIFENNER IS CRACKED ( 1") ON THE AFT SIDE OF THE MAIN DECK FLOORBEAM AT STATION 2360 AT RBL 16
- [SDR KCSA202503191040](https://openairdocs.org/sdr/KCSA202503191040.md): Stiffener · cracked · Mar 19, 2025 · N744CK · Boeing 747446 · Fuselage Miscellaneous Structure
  > VERTICAL STIFFENER IS CRACKED ( 1") ON THE AFT SIDE OF THE MAIN DECK FLOORBEAM AT STATION 2360 AT LBL 16
- [SDR KCSA202503191039](https://openairdocs.org/sdr/KCSA202503191039.md): Strap · cracked · Mar 19, 2025 · N744CK · Boeing 747446 · Fuselage Main, Structure
  > CRACK INDICATION AT FASTENER HOLE IN STA 2231 FRAME STRAP AT LWR AFT HOLE COMMON TO STRINGER S-25R DOOR STOP SUPPORT STRAP FOUND DURING OPEN HOLE HFEC INSP.
- [SDR KCSA202503181038](https://openairdocs.org/sdr/KCSA202503181038.md): Stiffener · cracked · Mar 18, 2025 · N744CK · Boeing 747446 · Fuselage Miscellaneous Structure
  > VERTICAL STIFFENER IS CRACKED ( 1") ON THE AFT SIDE OF THE MAIN DECK FLOORBEAM AT STATION 2360 AT LBL 32
- [SDR KCSA202503151037](https://openairdocs.org/sdr/KCSA202503151037.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > FOUND EVIDENCE OF LIGHTNING DAMAGE AT BL 2020, WL 118
- [SDR KCSA202503151036](https://openairdocs.org/sdr/KCSA202503151036.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > POSSIBLE EVIDENCE OF LIGHTNING STRIKE ON FUSELAGE SKIN STA 460 IN BETWEEN LS-5 & LS-6
- [SDR KCSA202503151035](https://openairdocs.org/sdr/KCSA202503151035.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > EVIDENCE OF LIGHTNING STRIKE ON FUSELAGE FASTENER STA 720 IN BETWEEN LS-17 & LS-18
- [SDR KCSA202503151034](https://openairdocs.org/sdr/KCSA202503151034.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > EVIDENCE OF LIGHTNING STRIKE ON FUSELAGE SKIN STA. 1080 IN BETWEEN LS-16 & LS-17
- [SDR KCSA202503151033](https://openairdocs.org/sdr/KCSA202503151033.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > EVIDENCE OF LIGHTNING STRIKE ON FUSELAGE SKIN STA 1100 IN BETWEEN LS-16 & LS-17
- [SDR KCSA202503151032](https://openairdocs.org/sdr/KCSA202503151032.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Structure (General)
  > EVIDENCE OF LIGHTNING STRIKE ON FUSELAGE SKIN APPROX. STA 738 LS-17
- [SDR KCSA202503151031](https://openairdocs.org/sdr/KCSA202503151031.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > EVIDENCE OF LIGHTNING STRIKE ON FUSELAGE SKIN STA. 640 IN BETWEEN LS-7 & LS-8
- [SDR KCSA202503151030](https://openairdocs.org/sdr/KCSA202503151030.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > LIGHTNING STRIKE FOUND AT APPROX. 540 WL 130 LH SIDE OF FUSELAGE
- [SDR KCSA202503151029](https://openairdocs.org/sdr/KCSA202503151029.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > LIGHTNING STRIKE FOUND AT APPROX 587 WL 130 LH SIDE OF FUSELAGE
- [SDR KCSA202503151028](https://openairdocs.org/sdr/KCSA202503151028.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > LIGHTNING STRIKE FOUND AT APPROX. STA 550 WL 130 LH SIDE OF FUSELAGE
- [SDR KCSA202503151027](https://openairdocs.org/sdr/KCSA202503151027.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > FOUND EVIDENCE OF LIGHTNING STRIKE AT STATION 2100, WATER LINE 122
- [SDR KCSA202503151026](https://openairdocs.org/sdr/KCSA202503151026.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > FOUND EVIDENCE OF LIGHTNING STRIKE AT STATION 2080, WL 118
- [SDR KCSA202503151025](https://openairdocs.org/sdr/KCSA202503151025.md): Skin · damaged · Mar 15, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > FOUND EVIDENCE OF LIGHTNING DAMAGE AT STATION 2060, WL 118
- [SDR KCSA202503141024](https://openairdocs.org/sdr/KCSA202503141024.md): Skin · damaged · Mar 14, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > EVIDENCE OF LIGHTNING DAMAGE AT STATION 2030, WL118
- [SDR KCSA202503141023](https://openairdocs.org/sdr/KCSA202503141023.md): Skin · damaged · Mar 14, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > FOUND EVIDENCE OF LIGHTNING STRIKE AT STA 466, WATER LINE 132
- [SDR KCSA202503141022](https://openairdocs.org/sdr/KCSA202503141022.md): Skin · damaged · Mar 14, 2025 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > FOUND EVIDENCE OF LIGHTNING STRIKE AT STA 430 WATER LINE 130
- [SDR KCSA202503131021](https://openairdocs.org/sdr/KCSA202503131021.md): Crease Beam · cracked · Mar 13, 2025 · N744CK · Boeing 747446 · Fuselage Main, Structure
  > CREASE BEAM ATTACH ANGLE CRACKED AT STA 1240 BETWEEN STR 6R & 7R
- [SDR KCSA202503131020](https://openairdocs.org/sdr/KCSA202503131020.md): Crease Beam · cracked · Mar 13, 2025 · N744CK · Boeing 747446 · Fuselage Main, Structure
  > CREASE BEAM ATTACH ANGLE CRACKED AT STA 1254 STR 5L
- [SDR KCSA202503131019](https://openairdocs.org/sdr/KCSA202503131019.md): Stiffener · cracked · Mar 13, 2025 · N744CK · Boeing 747446 · Cargo/Baggage Doors
  > FWD CARGO DOOR, AFT DOORSIDE LIFT LINK MOUNT STIFFNER CRACKED
- [SDR KCSA202312281153](https://openairdocs.org/sdr/KCSA202312281153.md): Escape Reel · partial deploy · Dec 28, 2023 · N744CK · Boeing 747446 · Emergency Equipment
  > #5 POSITION EMERGENCY DESCENT DEVICE HAS EVIDENCE OF DEPLOYMENT P/N 379103D-23 S/N 25268
- [SDR KCSA202312070550](https://openairdocs.org/sdr/KCSA202312070550.md): Unknown · unknown · Dec 5, 2023 · N744CK · Boeing 747446 · Emergency Locator Beacon
  > UPPER DECK EMERGENCY EQUIPMENT LIFE RAFT LANYARD ATTACH RING NOT INSTALLED TRANSFERRED TO DMI 100141630 PER MEL 25-62-1-1 CATEGORY D DUE 4-3-24 NO M PRODECURES PLACARDS INSTALLED
- [SDR KCSA202306130922](https://openairdocs.org/sdr/KCSA202306130922.md): Unknown · unknown · Jun 9, 2023 · N744CK · Boeing 747446 · Doors
  > UPPER DECK DOOR NO DISARMED MANUAL MODE PERFORMED OPERATIONS CHECK OF UPPER DECK LEFT DOOR IAW B747-400 AMM 52-73-02 ALL CHECKS GOOD
- [SDR KCSA2023051015](https://openairdocs.org/sdr/KCSA2023051015.md): Unknown · unknown · May 10, 2023 · N744CK · Boeing 747446 · Air Distribution System
  > ELECTRICAL SMELL RIGHT SIDE OF FLIGHT DECK. REMOVED AND REPLACED TD318 IAW B747-400 SRM 51-40-02 AND BSWPM 20-30-00. RETERMINATED WIRES W256-122-04, W166-2-8, W166-42-8 IAW BSWPM 20-30-11 REMOVED AND REPLACED DAMAGED SECTIONS OF W166-42-8 AND W166-2-8 IAW BS
- [SDR KCSA202302271007](https://openairdocs.org/sdr/KCSA202302271007.md): Floorbeam · corroded · Feb 27, 2023 · N744CK · Boeing 747446 · Fuselage Main, Floor Beam
  > EVIDENCE OF CORROSION ON UPPER DECK FLOOR BEAM UPPER CHORD STA 740 APROX RBL 5
- [SDR KCSA202302271006](https://openairdocs.org/sdr/KCSA202302271006.md): Bracket · damaged · Feb 27, 2023 · N744CK · Boeing 747446 · Trailing Edge Flaps
  > L/H I/B AFT FLAP NO. 1 SPINDLE FWD BEARING RETAINING BRACKET BOLT HOLES DAMAGED
- [SDR KCSA2022121529](https://openairdocs.org/sdr/KCSA2022121529.md): Circuit Card · corroded · Dec 15, 2022 · N744CK · Boeing 747446 · Detection System
  > FIRE CARGO FORWARD REFERENCE WORK ORDER 100088021/100088022 FOR FORWARD FAILED AUTOMATIC FIRE/OVERHEAT LOGIC/TEST SYSTEM A31/A33, REPLACED AND OPERATIONS CHECK GOOD IAW AMM 26-10-01 PERFORMED SQUIB DISCHARGE TEST OF ALL LOWER LUBE FIRE BOTTLES IAW AMM 26-23-00
- [SDR KCSA202110131117](https://openairdocs.org/sdr/KCSA202110131117.md): Light · inoperative · Oct 13, 2021 · N744CK · Boeing 747446 · Emergency Lighting
  > R/H UPPER DECK EMERGENCY ESCAPE DOOR FWD EMERGENCY LIGHT INOP
- [SDR KCSA202102241010](https://openairdocs.org/sdr/KCSA202102241010.md): Stop Fitting · cracked · Feb 24, 2021 · N744CK · Boeing 747446 · Passenger/Crew Doors
  > R4 DOOR STOP PIN FITTING AFT EDGE 4TH FROM THE TOP CRACKED.
- [SDR KCSA202102101009](https://openairdocs.org/sdr/KCSA202102101009.md): Skin · out of limits · Feb 10, 2021 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > VERTICAL STAB TO FUSELAGE INTERFACE BLENDID OUT OF LIMITS AT STA 2597 RH
- [SDR KCSA202102101008](https://openairdocs.org/sdr/KCSA202102101008.md): Stiffener · cracked · Feb 10, 2021 · N744CK · Boeing 747446 · Fuselage Miscellaneous Structure
  > WEB STIFFENER IS CRACKED AT BOTTOM FASTENER HOLE STA 340 RBL 10
- [SDR KCSA202102101007](https://openairdocs.org/sdr/KCSA202102101007.md): Skin · chafed · Feb 10, 2021 · N744CK · Boeing 747446 · Nacelle/Pylon, Plate/Skin
  > #1 PYLON I/B SIDE AFT ACCESS PANEL OPENING HAS CHAFFING ON INSIDE SKIN LOWER SIDE
- [SDR KCSA202007301132](https://openairdocs.org/sdr/KCSA202007301132.md): Structure · corroded · Jul 30, 2020 · N744CK · Boeing 747446 · Fuselage Main, Structure
  > CORROSON FOUND AT B STA 1480 BWL 91 LBL 80
- [SDR KCSA202007301131](https://openairdocs.org/sdr/KCSA202007301131.md): Attach Fitting · cracked · Jul 30, 2020 · N744CK · Boeing 747446 · Trailing Edge Flaps
  > ROLLER ATTACH FITTING AT WBL 443.83 IS CRACKED ON RH IB MID FLAP
- [SDR KCSA202007301130](https://openairdocs.org/sdr/KCSA202007301130.md): Bulb · inoperative · Jul 30, 2020 · N744CK · Boeing 747446 · Emergency Lighting
  > ONE EMERGENCY LIGHT BULB INOP IN LIGHT ASSEMBLY L5735 OVER L1 DOOR
- [SDR KCSA202005131062](https://openairdocs.org/sdr/KCSA202005131062.md): Skin · damaged · May 13, 2020 · N744CK · Boeing 747446 · Fuselage Main, Plate/Skin
  > SKIN DAMAGE ON LOWER EMPENNAGE AT STA 2632 RBL 7 JUST FWD OF APU BATTERY DOOR
- [SDR KCSA201905231133](https://openairdocs.org/sdr/KCSA201905231133.md): Light · inoperative · May 23, 2019 · N744CK · Boeing 747446 · Emergency Lighting
  > MULTIPLE EMERGENCY LIGHTS IN FWD UPPER DECK INOP.
- [SDR KCSA201901291012](https://openairdocs.org/sdr/KCSA201901291012.md): Structure · cracked · Jan 29, 2019 · N744CK · Boeing 747446 · Fuselage Miscellaneous Structure
  > CRACK INDICATION NOTED ON LT FWD INNER CHORD TOP HOLE AS MARKED.
- [SDR KCSA201901291011](https://openairdocs.org/sdr/KCSA201901291011.md): Seat Track · cracked · Jan 29, 2019 · N744CK · Boeing 747446 · Fuselage, Seat/Cargo Attach Fittings
  > POSSIBLE CRACK ON CO-PILOTS O/B FWD SEAT TRACK AT FWD END.
- [SDR KCSA201702211010](https://openairdocs.org/sdr/KCSA201702211010.md): Light · inoperative · Feb 21, 2017 · N744CK · Boeing 747446 · Emergency Lighting
  > UPPER DECK EMERGENCY LIGHTS BOTH L- AND R- AT DOOR CENTER AFT INOP. NO TEST OR ON.
- [SDR KCSA201702211009](https://openairdocs.org/sdr/KCSA201702211009.md): Light · illuminated · Feb 21, 2017 · N744CK · Boeing 747446 · Emergency Lighting
  > UPPER DECK EMERGENCY LIGHTS AT UPPER DECK DOORS AND CENTER CEILING DROP DOWN STAY ON WITH POWER OFF AND SWITCH OFF.

Next page: https://openairdocs.org/aircraft/N744CK/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 = 'N744CK' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N744CK/reports

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