# SDR DALA2021112907313

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 22, 2021
- Submitted: November 29, 2021
- Operation: Air carrier
- Aircraft: [N539US](https://openairdocs.org/aircraft/N539US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26486
- Aircraft time: 77,176 hours, 28,546 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: None
- Condition: None
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021112907313

## Discrepancy

SHIP 5639 A.A. TWO CRACKS ON INNER LOWER HOLE AT FRAME 1640 & STRINGER 14 RH SIDE; 2 AND 8 HRS APROX. CORRECTIVE ACTION: SUMMARY OF NRC 00105 FRAME 1640 RH WAS REPAIRED PER ER/A 595403-14AD REV.ORIGINAL; SECTION I:PERMANENT REPAIR AND ETI-57-21-545 REV.2. (2027378)

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