# SDR UIEA2022072600779

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2022
- Submitted: July 26, 2022
- Operation: Air carrier
- Aircraft: [N508KZ](https://openairdocs.org/aircraft/N508KZ), registered now
- Make and model: Boeing 747-4KZF
- Registry model: [Boeing 747-4KZF](https://openairdocs.org/model/boeing-747-4kzf) (OpenAirDocs)
- Aircraft serial: 36135
- Aircraft time: 45,754 hours, 8,650 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Skin
- Condition: Corroded
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2022072600779

## Discrepancy

CORROSION - SKIN, KEEL BEAM ASSEMBLY STRUCTURE STA 1270, RBL 6(1) REMOVE THE AFFECTED FASTENER IAW SRM 51-40-02 REV 95. 2) BLEND OUT THE DAMAGE AREA IAW SRM 51-10-02 REV 95. 3) PERFORM NDT INSPECTION REFER TO JOB CARD ATTACHING SHEET 0324877 & DATA SHEET 7148089-1. 4) ACCOMPLISHED EI T2022A53M-1985 REV 1 & EI ATTACHED TO W/O 7148085. 5) JOB COMPLETED</P>)

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