# SDR DXTA2026060108251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2026
- Submitted: June 2, 2026
- Operation: Air carrier
- Aircraft: [N167QS](https://openairdocs.org/aircraft/N167QS), registered now
- Make and model: Bombdr BD7001A10
- Aircraft serial: 9689
- Aircraft time: 6,866 hours, 2,343 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Autobrake Sys
- Part number: 429654
- Part serial: 553A
- Condition: Defective
- Location: Zone 700
- Stage of operation: CL
- How discovered: V
- Nature of condition: I
- Precautionary procedure: A, O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026060108251

## Discrepancy

AFTER TAKEOFF R MAIN GEAR DID NOT FULLY RETRACT AND NOSE GEAR DOOR DID NOT CLOSE CAUSING VIBRATIONS. DURING GEAR UP WE HAD NORMAL INDICATION ON NOSE AND LEFT MAIN AND RIGHT MAIN HAD YELLOW HATCHED INDICATION. RECEIVED 4 YELLOW CAS MESSAGES "GEAR DISAGREE" "NOSE DOOR" R MAIN GEAR DOOR" "GEAR SYS FAIL". AFTER 4 MINS GEAR RETRACTED AND ALL DOORS CLOSED NORMALLY ON ITS OWN. REMAINED 180KTS OR LESS DURING ENTIRE FLIGHT AND NO OVERWEIGHT LANDING. FOR LANDING, GEAR CAME DOWN NORMALLY WITH NO ISSUES. CORRECTIVE ACTION: REMOVED FAILED BCU PN:42-965-4 SN:940A. INSTALLED CUSTOMER SUPPLIED BCU (REPAIRED) PN:42-965-4 SN:553A WITH NO DEFECTS NOTED. REMOVED SUSPECTED DEFECTIVE LGECU P/N 8-879-05 S/N E812 AND INSTALLED TESTED CUSTOMER SUPPLIED LGECU P/N 8-879-05 S/N E597. OPERATIONAL CHECKS AND GEAR SWINGS COMPLETED WITH NO DEFECTS/FAULTS FOUND. WORK PERFORMED IAW GL-6000 AMM 32-43-01-04, 32-43-00, 70-10-00, 32-31-09.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.