# SDR EE4Y2025092923243

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2025
- Submitted: September 29, 2025
- Operation: General aviation
- Filed by: [Cooperativa Autogestionaria de Servicios Aeroindus, repair station EE4Y151M](https://openairdocs.org/faa-repair-station/EE4Y151M/cooperativa-autogestionaria-de-servicios-aeroindus.md) (OpenAirDocs)
- Aircraft: [N3159G](https://openairdocs.org/aircraft/N3159G), registered now
- Make and model: Boeing 737852
- Aircraft serial: 35119
- Aircraft time: 59,797 hours, 24,803 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 144A2619
- Condition: Cracked
- Location: Zone 100
- 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/EE4Y2025092923243

## Discrepancy

DURING THE ACCOMPLISHMENT OF EO737-53-0388_P1 WAS FOUND IN THE LOWER FUSELAGE RH STA 727 FRAME INNER CHORD AND S-18A WEB AT LOWER OPEN FASTENERS HOLE WITH CRACK INDICATION. DUE TO IT, THE PART WAS REPLACED IAW NAC ENGINEERING ORDER #737-53-0403 REV. IR. UNDERJOB A1Q187 NRI 1-76

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