# SDR AALA202607117324

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2026
- Submitted: July 11, 2026
- Operation: Air carrier
- Aircraft: [N902AN](https://openairdocs.org/aircraft/N902AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29504
- Aircraft time: 71,615 hours, 30,141 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Vapor Barrier
- 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/AALA202607117324

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: LOWER FUSELAGE, LEFT A/C BAY, VAPOR BARRIER CRACKED AT STA. 663. MKD. OVERALL CRACK IN THE VAPOR BARRIER MEASURES 12 INCHES AND CRACK WAS STOP DRILLED IAW AARD 57-10-10-9

---
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.
