# SDR DLL15970461

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N755DL
- Make and model: Lkheed 10113853
- Aircraft serial: 193Y1184
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 1608989
- Condition: Corrosion
- Location: L3 Doorway
- 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/DLL15970461

## Discrepancy

DURING INSPECTION, CORROSION WAS FOUND IN THE MATING SURFACE BETWEEN THE L3 DOOR TRIPLER PAD-UP LIP AND THE UPPER EDGE OF THE FUSELAGE SKIN.  REMOVAL OF THE CORROSION RESULTED IN TWO TRIM-OUTS IN THE SKIN AND SEVERAL BLEND-OUTS IN THE FAIL SAFE TRIPLER.  MAXIMUM BLEND DEPTH IN THE TRIPLER IS .021 INCH.  THE DAMAGE WAS REPAIRED PER ER/A 304916-14 'REV A'.

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