# SDR CALA2026092219632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2026
- Submitted: September 22, 2026
- Operation: Air carrier
- Aircraft: [N34131](https://openairdocs.org/aircraft/N34131), registered now
- Make and model: Boeing 757224
- Aircraft serial: 28971
- Aircraft time: 103,180 hours, 22,003 cycles
- System (JASC): [3234 · Landing Gear Selector](https://openairdocs.org/jasc/3234)
- Part: Control Handle
- Condition: Faulted
- Location: Zone 700
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026092219632

## Discrepancy

GEAR DISAGREE,  EICAS AT GEAR DOWN 3 GREEN LIGHTS AMBER GEAR LIGHT ON INBD.   CREW STATED,  GOT 3 GREEN LIGHTS WITH AMBER GEAR LIGHT & GEAR DISAGREE EICAS MSG, CREW PERFORMED GO AROUND & DECLARED AN EMERGENCY.  ACFT LANDED NORMALLY & ALL INDICATONS WERE NORMAL WHEN MX MET THE ACFT AT THE GATE.  ACCOMP PSEU BITE PER FIM 32-09 TREE 804. CODES 421, 422, 423, & 424 ALL PRESENT INDICATING LANDING GEAR LEVER MODULE FAULT. ACFT HAD PREV HISTORY FOR SAME FAULTS IN JUNE ON L/P 9314657 & 9323769, WHERE GEAR LEVER MODULE REPLACED. SAME L/P'S INDICATED POSSIBLE ISSUE WITH LEVER MOVING INTO THE GEAR EXTEND DETENT PROPERLY.  DUE TO HISTORY ACCOMPLISHED IAW FIM 32-09 TREE 804 FIG 103 SHEET 10 AND WDM 32-61-11, ACCOMPLISHED CONTINUITY AND INSUALTION RESISTANCE CHECKS FOR WIRING ASSOC W/ CODES 421, 422, 423, & 424 BEWEEN S3 & S4 OF M937 GEAR L EVER MODULE & M162 PSEU. ALSO ACCOMPLISH SWITCH HEALTH CHECK FOR S3 & S4 OF GEAR LEVER MODULE. FOLLOW ALL SAFETY PRECAUTIONS PER APPLICABLE AMM'S FOR REMOVAL OF PSEU & TO MOVE GEAR LEVER W HILE ON THE GROUND. ACCOMPLISHED AMM 32-31-00-825-027, MLG CONTROL ADJUSTMENT IAW AMM 32-61-00-705-001, OPS CHKD GOOD, NO FAULTS FOUND.

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