# SDR CALA2026021213738

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2026
- Submitted: February 12, 2026
- Operation: Air carrier
- Aircraft: [N78001](https://openairdocs.org/aircraft/N78001), registered now
- Make and model: Boeing 777224
- Aircraft serial: 27577
- Aircraft time: 125,582 hours, 13,058 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Snubber
- Part number: 99C55480101
- Part serial: 1446
- Condition: Out Of Alignment
- Location: Zone 800
- Part time: 125,582 hours, 13,058 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026021213738

## Discrepancy

L4 DOOR DAMAGED, & OUT OF ALLIIGNMENT, NOT ABLE TO CLOSE, SUSPECT CONTACT WITH SERVICE TRUCK.  VERIFIED DOOR 4L LATCHES IN DOWN POSITION WHILE DOOR IS OPEN WITH NO BINDING BUT EPAS GETS STUCK WHEN TRYING TO OPERATE DOOR.  SUSPECT EPAS OR SNUBBER BINDING WHEN CLOSING, SUSPECT SNUBBER ON THE L4 DOOR DEGRADED PREVENTING DOOR FROM NORMAL OPERATION.  SNUBBER REMOVED IAW AMM 52-11-08,  SPRING PIN WORN.   REMOVED SNUBBER IAW AMM 52-11-08 UP UNTILL STEP E.3 (A).   REMOVED DOOR IAW AMM 52-11-01-000-801.  INSTALLED THE L4 DOOR IAW AMM 52-11-01-400-801 STEPS 3.E.(1) THRU 3.E.(5)Q  IDT INSTALLATION IN COMPLIANCE IAW AMM 52-11-01-400-801 STEPS 3.E.(6) AND 3.E.(7).

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