# SDR CALA2026040615079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N57439](https://openairdocs.org/aircraft/N57439), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33534
- Aircraft time: 52,618 hours, 18,767 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 143A1261
- Condition: Dented
- 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/CALA2026040615079

## Discrepancy

FWD CARGO RT SIDE, FRAME HAS A DENTED ON UPPER FLANGE AT BS 500K BETWEEN STRINGER S-24 AND S-25.   REPAIRED FRAME AT BS 500K BETWEEN S24R - S25R IAW SRM 53-30-07-2R-2.  DWG 143A1261 REV-, 143A3010, REV A.  SRM 51-20-01,  SRM 51-40-05, AND SRM 51-40-02.  DWG 143A3250, REV-.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.