# SDR IPXA2021012364778

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2021
- Submitted: January 25, 2021
- Operation: Air carrier
- Aircraft: [N580UP](https://openairdocs.org/aircraft/N580UP), registered now
- Make and model: Boeing 747428F
- Aircraft serial: 25632
- Aircraft time: 107,508 hours, 18,303 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Tension Tie
- Part number: 142U1023101
- Condition: Cracked
- Location: Sta 720
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021012364778

## Discrepancy

INSPECTION TYPE: C3 CRACK WAS FOUND ON TENSION TIE (P/N : 142U1023-101) ON UPPER DECK NEAR LBL 100, STA 720.REPAIR, IAW 747-400F SRM 53-20-30 REPAIR 2 REV 90.00.

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