# SDR UIEA2023082900809

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2023
- Submitted: August 29, 2023
- Operation: Air carrier
- Aircraft: [N446MC](https://openairdocs.org/aircraft/N446MC), registered now
- Make and model: Boeing 747-4B5F
- Registry model: [Boeing 747-4B5F](https://openairdocs.org/model/boeing-747-4b5f) (OpenAirDocs)
- Aircraft serial: 33517
- Aircraft time: 80,571 hours, 13,921 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/UIEA2023082900809

## Discrepancy

DUE TO EO INSP, WASHERS WERE NOT FOUND UNDER EACH FASTENER HEAD, REQUEST ADD EO PART 2 AND PART 5. PERFORM NOSE W/W FWD CORNER DOUBLER MODIFICATION NEAR STA 240, S39 TO S45, SB 747-53A2851 REV O(<P>1) REMOVED DOUBLER PART IAW SRM 51-40-02-0G-0 REV 98. 2) PERFORM EI T2023A53M-2018 REV 0 SEQUENCE A. 3) ACCOMLISH EI T2023A53M-2018 REV 1. 4) CONDITION CHECK NORMAL AND JOB COMPLETED</P>)

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