# SDR DLL19990619

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N754DL
- Make and model: Lkheed 10113853
- Aircraft serial: 193Y1181
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 1559194103
- Condition: Cracked
- Location: L3 Door
- 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/DLL19990619

## Discrepancy

A .25 INCH TYPICAL CRACK WAS FOUND IN A RELIEF RADIUS OF THE NR 4 INTERCOSTAL AT THE L3 DOOR CUT OUT AFT DOOR JAMB.  THE ADJACENT FITTING INTERCOSTALS WERE UNDAMAGED.  THE CRACK WAS ALLOWED TO CONINUE INSERVICE PER THE REQUIREMENTS OF LACO S/B 93-53-270 AND WILL BE REPAIRED WITH A NEW INTERCOSTALS.  THE REPAIR WAS DOCUMENTED PER E/R/A 367019-14.

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