# SDR UIEA2021040200798

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2021
- Submitted: April 2, 2021
- 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: 93,536 hours, 16,163 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Condition: Cracked
- Location: Tension Tie
- 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/UIEA2021040200798

## Discrepancy

CRACK DAMGE ON A FASTENER HOLE OF TENSION TIE AFT CHANNEL AT STA 860 RH SIDE.REPAIR DAMAGED AREA IAW SRM 53-20-30-2R-1 REPAIR 1 REV 91 AND EI NO T2021A53M-694 REV 1. JOB COMPLETED AND CONDITION CHECK NORMAL.

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