# SDR DHL9770503C

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N705DH
- Make and model: Boeing 727-22C
- Registry model: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (OpenAirDocs)
- Aircraft serial: 19191
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Rib
- Condition: Cracked
- Location: Nr 1 Le Slat
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL9770503C

## Discrepancy

DURING C CHECK, THE NR 1 SLAT ON THE LEFT WING AT THE INBOARD TRACK HAS A CRACK IN RIB SECTION, AT THAT TRACK.  STOP DRILLED CRACKS, ACCOMPLISHED HIGH FREQUENCY EDDY CURRENT INSP AND INSTALLED RIB REPAIRS INBOARD AND OUTBOARD PER SRM 57-50-3 FIG 9.  SIZE OF REPAIR 5X4.  NON ROUTINE 1232.

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