# SDR UIEA2024040500255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2024
- Submitted: April 8, 2024
- Operation: Air carrier
- Aircraft: [N472MC](https://openairdocs.org/aircraft/N472MC), registered now
- Make and model: Boeing 747-45E
- Registry model: [Boeing 747-45E](https://openairdocs.org/model/boeing-747-45e) (OpenAirDocs)
- Aircraft serial: 27062
- Aircraft time: 125,611 hours, 21,370 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Part number: UNKNOWN
- Condition: Corroded
- Location: Lt Wing
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2024040500255

## Discrepancy

CORROSION DAMAGES ON THE LH WING UPPER SKIN (P/N= 112U3101-3) UPPER SURFACE NEAR WBL 150.00, MID SPAR(<P>1. REMOVED THE AFFECTED FASTENERS IAW SRM 51-40-02-0G-0 REV=120 2. BLENDED OUT THE DAMAGE AREA IAW SRM 517-20-01-1A-A REV 120 3. PFM NDT INSP REFER TO JOB CARD ATTACHING SHEET 0429725 & DATA SHEET 9184864-1 4. ACCOMPLISHED EI T2024A57M-465 REV 1 AND EI ATTACHED TO W/O 9184863 5. CONDITION CHECK NORMAL, JOB COMPLETED</P>)

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