# SDR UIEA2023022100155

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 28, 2023
- Submitted: March 2, 2023
- Operation: Air carrier
- Aircraft: [N404KZ](https://openairdocs.org/aircraft/N404KZ), registered now
- Make and model: Boeing 747481F
- Aircraft serial: 34283
- Aircraft time: 58,346 hours, 11,405 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- 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/UIEA2023022100155

## Discrepancy

APU FIREWALL STA 2658 FWD FACE #2 STIFFENER (COUNT FROM BOTTOM) FOUND L/H O/B END CRACKED.(<P>CRACK AREA REPAIRED AS PER RI NO. RI-53-83-16077 REV.A</P>)

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