# SDR DALA2016040502670

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2016
- Submitted: April 6, 2016
- Operation: Air carrier
- Aircraft: [N727TW](https://openairdocs.org/aircraft/N727TW), registered now
- Make and model: Boeing 757231
- Aircraft serial: 30340
- Aircraft time: 53,560 hours, 14,207 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Girt Bar
- Condition: Malfunctioned
- Location: L4 Door
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2016040502670

## Discrepancy

WHEN DOING A REPETITIVE CHECK FOR THE L-4 DOOR. THE GIRT BAR WOULD NOT ENGAGE OR MOVE AT ALL.  PINNED L4 SLIDE. R & R L-4 SLIDE GIRT BAR BELL CRANK ASSY.  PERFORMED GIRT BAR MECHANISM SYS TEST IAW AMM 52-11, CHECKS OK.  REMOVED SLIDE PIN AND INSTALLED BUSTLE.  ALL RII COMPLIED WITH.

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