# SDR UIEA2022042800402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2022
- Submitted: May 4, 2022
- Operation: Air carrier
- Aircraft: [N477MC](https://openairdocs.org/aircraft/N477MC), registered now
- Make and model: Boeing 747
- Aircraft serial: 29255
- Aircraft time: 94,642 hours, 16,669 cycles
- System (JASC): [5230 · Cargo/Baggage Doors](https://openairdocs.org/jasc/5230)
- Part: None
- Condition: None
- 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/UIEA2022042800402

## Discrepancy

CORROSION- LOWER FRAMES. AFT CGO DOOR LOWER LOBE STRUCTURE BETWEEN STA 1810/ STA 1920(<P>1) BLENDED OUT THE DAMAGE AREA IAW SRM 51-10-02 REV 94 2) PFM NDT INSP REFER TO JOB CARD ATTACHING SHEET NO 0225742 3) MEASURED REWORK AREA DEPTH = 0-01'', LENGTH = 1.2'' WIDTH = 1'' IT WAS ALLOWABLE IAW SRM 52-30-02 IA-1 REV 94 DETAIL XIZ FIGURE 101 4) APPLY PROTECTIVE COATING AT REWORK AREA IAW SRM 51-20-01 REV 94 5) CONDITION CHECK NORMAL AND JOB COMPLETED.</P>)

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