# SDR DL72S960377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N470DA](https://openairdocs.org/aircraft/N470DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 20747
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Fs 700-706
- 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/DL72S960377

## Discrepancy

DURING INSPECTION, MAINTENANCE FOUND THE UPPER SKIN AT THE S-26L LAP JOINT CORRODED BETWEEN STA 700 AND STA 706.  DAMAGE REMOVAL RESULTED IN A 3 INCH BY 6 INCH CUT OUT AREA OF THE UPPER SKIN.  ALSO, THE 0.020 2024-T3 CLAD BONDED DOUBLER BETWEEN THE UPPER AND LOWER SKINS IN THE LAP, WAS REMOVED FROM APPROXIMATELY BS 680 TO 712 TO REMOVE CORROSION.  IN ACCORDANCE WITH B727 SRM 53-30-3, FIG 14, A DOUBLER WAS INSTALLED, REF DL ERA 302842-14.

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