# SDR KCSA2026093058

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2026
- Submitted: October 3, 2026
- Operation: Air carrier
- Aircraft: [N740CK](https://openairdocs.org/aircraft/N740CK), registered now
- Make and model: Boeing 747-4H6
- Registry model: [Boeing 747-4H6](https://openairdocs.org/model/boeing-747-4h6) (OpenAirDocs)
- Aircraft serial: 24405
- Aircraft time: 112,311 hours, 19,045 cycles
- System (JASC): [5280 · Landing Gear Doors](https://openairdocs.org/jasc/5280)
- Part: Door
- Part number: 65B1091933
- Part serial: KA18455
- Condition: Damaged
- Location: Zone 800
- Part time: 94,949 hours, 16,260 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KCSA2026093058

## Discrepancy

GEAR DOOR EICAS.   INSP & TROUBLESHOT IAW AMM 05-41-07, FIM 32-61, & AMM 32-61-00. DAMAGED LT BLG INBD DOOR & HARDWARE. ALL CHKD GOOD IAW AMM 32-61-00. NO DEFECTS.  TWO AREAS OF DAMAGE ON LT BLG INBD DOOR. OTBD AFT SECONDARY DOOR SKIN & CLOSEOUT BEAM.  TEMP REPAIRED IAW KA E-50 20426 & SRM 51-10.  LT BLG INBD DOOR PROP ROD BROKEN.  R&R PROP ROD IAW AMM 32-14-01.  PERFORMED RIG & OPS CHK IAW AMM 32-14-01. CHKD GOOD.   LT BLG INBD DOOR TARGET BRACKET DAMAGED.   BRACKET TEMP REPAIRED IAW KA E-50 20426 & SRM 51-10. TWO AREAS OF DAMAGE ON LT BLG INBD DOOR. R & R DOOR IAW AMM 32-14-01. OPS CHKD GOOD. LT BLG INBD DOOR TARGET BRACKET.  R & R TARGET BRACKET IAW AMM 32-14-01.

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