# SDR UIEA2023011600050

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2023
- Submitted: January 31, 2023
- Operation: Air carrier
- Aircraft: [N492MC](https://openairdocs.org/aircraft/N492MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29253
- Aircraft time: 100,998 hours, 17,360 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 69B145929
- Condition: Cracked
- Location: Bs 1000 Lbl11
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2023011600050

## Discrepancy

LEFT BS 1000 FRONT SPAR INTERCOSTAL LUG FTG FOUND CRACK M/D BS 1000 LBL 11.33" FRONT SPAR INTERCOSTAL LUG FTG P/N: 69B14592-9 REPLACED AND INSTALLED IAW EO 4453C024 PART 3 AND SB 747-53A2904 FIG 5.</P>)

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