# SDR CALA2026041315322

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2026
- Submitted: April 13, 2026
- Operation: Air carrier
- Aircraft: [N75851](https://openairdocs.org/aircraft/N75851), registered now
- Make and model: Boeing 757324
- Aircraft serial: 32810
- Aircraft time: 70,329 hours, 22,900 cycles
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Actuator
- Part number: 273N20046
- Part serial: 2404
- Condition: Leaking
- Location: Lt Mlg Tilt
- Part time: 48,997 hours, 15,641 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026041315322

## Discrepancy

AIR GROUND DISAGREE STATUS MESSAGE ON COAST OUT TO KOA CREW REPORTS ON LANDING AIR/GROUND SYSTEM AMBER EICAS ADVISORY. PSEU SHOWS NO CURRENT OR FLIGHT FAULTS. FOUND EICAS COMPUTER SELECTED ON RT - STATUS MSG  AIR GROUND DISAGREE  DISPLAYED ON RIGHT SIDE ONLY.WHEN SELECTED EICAS TO AUTO STATUS MSG NOT DISPLAYED.  TILT ACTUATOR WAS FOUND LEAKING. EVIDENCE OF HYD LEAK ON LEFT MAIN GEAR TILT ACTUATOR.  REMOVED MLG TILT ACTUATOR PER 32-32-15-004-001 AND REPLACED PER ACTUATOR PER TASK 32-32-15-404-007 STEPS 3A UP TO STEP 14D.   COMPLETED INSTALL OF LT MLG TILT ACTUATOR IN REF AMM 32-32-15-404-007.  CLEANED DIRTY SENSORS & TEST PASSED.  PERFORMED RH EICAS BITE NO FAULTS NOTED REF AMM 31-41-00-715-012

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