# SDR CALA2026101920463

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 15, 2026
- Submitted: October 19, 2026
- Operation: Air carrier
- Aircraft: [N23708](https://openairdocs.org/aircraft/N23708), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28769
- Aircraft time: 85,743 hours, 31,800 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Strap
- Part number: 111A6504
- 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/CALA2026101920463

## Discrepancy

RIGHT BS 639 STUB BEAM STRAPS, AFT LOWER HOLE HAD A CRACK SIGNAL.   REMOVED RT STUB BEAM STRAPS,  FABRICATED, LOCATED, DRILLED, APPLIED PRIMER AND INSTALLED NEW STUB BEAM STRAPS IAW  SRM 51-40-02-0G-0, SRM 51-40-05-0G-0, AMM 51-21-72-370-804, AMM 20-50-11-910-801, DWG 111A6504 REV B, DWG 111A6501 REV ORG AND EC/RA 5340-02290 REV. ORG.

---
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.
