# SDR DL76S972111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N120DL](https://openairdocs.org/aircraft/N120DL), registered now
- Make and model: Boeing 767332
- Aircraft serial: 23279
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 111T30131
- Condition: Corrosion
- Location: Bs 950-955
- 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/DL76S972111

## Discrepancy

DURING ACCOMPLISHMENT OF EO 1-60000-3, CORROSION WAS FOUND DIRECTLY UNDER THE DRAIN SCREEN LOCATED AT APPROXIMATELY LBL 70.  THE RESULTING BLENDS, WITH A MAXIMUM DEPTH OF .155, ARE SHOWN ON FIGURE 1.  TO FACILITATE INSTALLATION OF A REPAIR DOUBLER UNDER THE LBL 74.81 FLOORBEAM LOWER CHORD.  THE CHORD WAS CUT AT APPROXIMATE FS 938.  A REPLACEMENT SECTION WILL BE FABRICATED PER DAL DWG 53-0900-004, AND WILL INCORPORATE A MILLED STEP IN THE LOWER FLANGE TO ACCOMMODATE THE DOUBLERS.  OTHER DAMAGES EXISTS, REF ER/A 330720-14.

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