# SDR DL72K000639

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2000
- Submitted: April 14, 2000
- Operation: Air carrier
- Aircraft: N410DA
- Make and model: Boeing 727232
- Aircraft serial: 21222
- Aircraft time: 60,214 hours, 49,611 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Rib
- Condition: Cracked
- Location: Nr 4 Slat
- Component: Rib
- 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/DL72K000639

## Discrepancy

AT HMV 4 L/E SLAT RIB WAS FOUND CRACKED ON O/B END.  REPLACED PER MM 57-54-0 FIG 814.  DYE CHECKED, FOUND NO CRACKS.

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