# SDR DHL2007742037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2007
- Submitted: February 16, 2008
- Operation: Air carrier
- Aircraft: N742DH
- Make and model: Boeing 727225
- Aircraft serial: 21290
- Aircraft time: 60,719 hours, 38,406 cycles
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Rib
- Condition: Cracked
- Location: Nr 3 Slat
- 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/DHL2007742037

## Discrepancy

NR 3 SLAT RIB HAS SMALL CRACK ON INBOARD SIDE OF ACTUATOR ATTACHMENT, VERIFIED BY NDT.  REMOVED 3 RIBS FROM NR 3 SLAT IAW B-727 SRM 51-30-2.  INSTALLED 2 NEW RIBS IN PLACE, LOCATED AND DRILLED IAW B-727 SRM 51-30-5.  REINSTALLED 1 RIB (REMOVED FOR ACCESS) IAW B-727 SRM 51-30-2.

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