# SDR UIEA2023112000968

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2023
- Submitted: November 21, 2023
- Operation: Air carrier
- Aircraft: [N249BA](https://openairdocs.org/aircraft/N249BA), registered now
- Make and model: Boeing 747409
- Aircraft serial: 24309
- Aircraft time: 86,707 hours, 16,559 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: 65B0816740
- Part serial: NSN
- 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/UIEA2023112000968

## Discrepancy

FOUND CORROSION DAMAGE ON RH WING FIXED TE RIB UPPER CHORD AT WS 1351(<P>1) REMOVED DAMAGE PART IAW SRM 51-40-02-0G-0 REV 56. 2) FABRICATED PART IAW EI T2023A57M-3008 REV 1. 3) INSTALL FABRICATED PART IAW SRM 51-40-02-0G-0 REV 56 AND DWG 65B08171 SH 3 REV 4. 4) CONDITION CHECK NORMAL AND JOB COMPLETED</P>)

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