# SDR CALA2026070617557

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2026
- Submitted: July 6, 2026
- Operation: Air carrier
- Aircraft: [N77871](https://openairdocs.org/aircraft/N77871), registered now
- Make and model: Boeing 757-33N
- Registry model: [Boeing 757-33N](https://openairdocs.org/model/boeing-757-33n) (OpenAirDocs)
- Aircraft serial: 33526
- Aircraft time: 62,262 hours, 18,161 cycles
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Swivel
- Condition: Damaged
- Location: Tail Skid
- Stage of operation: AP
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026070617557

## Discrepancy

LEFT HYDRAULIC FAILURE ON APPROACH. HYD QTY AT .14 FOUND FLEX HYDRAULIC LINE DAMAGED AND HAS COME OFF FROM TAIL SKID LINEAR ACTUATOR.  SEE PIC. FOUND THAT FWD SWIVEL JOINT ON THE ACTUATOR CAME APART. REPLACEMENT SWIVEL JOINT AND O-RING REQUIRED.   REMOVED AND REPLACED FWD SWIVEL JOINT ON TAIL SKID LINEAR ACTUATOR PER AMM 32-71-04, NO LEAKS NOTED DURING OPS TEST OF THE TAIL SKID. SERVICED LT HYD SYS BACK TO FULL & PRESSURIZED RESERVOIR IAW AMM 29-11-00-862-033 AND 12-12-01-613-015. PREFORMED HYDRAULIC SYSTEM BLEEDING IAW AMM 29-11-00-870-801 DURING BLEEDING PROCEDURE INSPECTED FOR ANY ADDITIONAL HYDRAULIC LEAKS NONE FOUND AT THIS TIME, FLUID LEVEL STAYED STABLE DURING BLEEDING PROCEDURE.

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