# SDR IPXA2023081593918

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 15, 2023
- Submitted: August 16, 2023
- Operation: Air carrier
- Aircraft: [N274UP](https://openairdocs.org/aircraft/N274UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48575
- Aircraft time: 76,386 hours, 16,360 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: APB74471
- Condition: Corroded
- Location: Fuselage
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2023081593918

## Discrepancy

INSPECTION TYPE:3C*** MAJOR REPAIR *** MAIN CABIN AFTER REMOVAL OF FLOOR PANEL ON CENTER WING AREA FOUND CORROSION ON L/H TUNNEL AT STA 1239, XCW= 101.8 AND XCW= 108.REPAIRED CORRODED AREA AT THE CENTER WING L/H TUNNEL AT STA XCW=101.8 AND XCW=108 IAW VTSAA EA 011-5730-01-B0049 I/R, UPS EO MD11-5730-87780-A DATED 08/11/23 AND FAA FORM 8100-9 BY P.LAU (AR-830967) DATED 08/10/23 (MAJOR)

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