# SDR U2RA2026090700055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2026
- Submitted: September 24, 2026
- Operation: Air carrier
- Aircraft: [N756CA](https://openairdocs.org/aircraft/N756CA), registered now
- Make and model: Boeing 747428
- Aircraft serial: 26547
- Aircraft time: 101,065 hours, 16,439 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Structure
- Condition: Cracked
- Part time: 101,065 hours, 16,439 cycles
- 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/U2RA2026090700055

## Discrepancy

DURING FCD 744-53-0021 OPEN-HOLE HFEC INSPECTION. CRACK SIGNAL INDICATION AT STA 2590, RT UPPER 1EA HOLE. (CHORD) PER NDTM PART 6, 51-00-00 PROCEDURE 16 AND SB 747-53A2427 REV 7.  INSTALLED REPAIR STRAPS ON THE BS 2598 FORWARD INNER CHORD FRAME SUPPORT PER SR MUA-MUA-26-0152-12B AND SRM 51-40-02.

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