# SDR CALA2026081218504

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2026
- Submitted: August 12, 2026
- Operation: Air carrier
- Aircraft: [N78540](https://openairdocs.org/aircraft/N78540), registered now
- Make and model: Boeing 737824
- Aircraft serial: 63646
- Aircraft time: 27,628 hours, 10,398 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Baffle
- Part number: 143A7505
- 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/CALA2026081218504

## Discrepancy

AFTER OF ZEE CHANNEL REMOVAL,  FOUND BAFFLE BTWN  BS 500A - 500B CRACKED, NEED TO BE FABRICATED.  REMOVED BAFFLE, FABRICATED, LOCATED, DRILLED, APPLIED ALODINE, APPLIED PRIMER AND INSTALLED BAFFLE IAW  SRM 51-40-02-0G-0, 51-40-05-0G-0, 51-40-08-0G-0, AMM 51-21-41-370-802, 51-21-72-370-804 AND DWG  143A7505 REV. R.

---
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.