# SDR AALA202604062209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N909AN](https://openairdocs.org/aircraft/N909AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29511
- Aircraft time: 68,629 hours, 28,616 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A750234
- Condition: Corroded
- 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/AALA202604062209

## Discrepancy

AIRCRAFT WAS GROUNDED: CORROSION ON AFT CARGO COMPARTMENT TRANSITION PANEL BETWEEN BS 727I AND BES 727J PLUS 3 INCHES, AT RBL 24. REPLACED TRANSITION PANEL PER SRM 51-42-02.

---
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.
