# SDR ASAA2025111062796

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 10, 2025
- Submitted: December 5, 2025
- Operation: Air carrier
- Aircraft: [N609AS](https://openairdocs.org/aircraft/N609AS), registered now
- Make and model: Boeing 737790
- Aircraft serial: 29752
- Aircraft time: 76,820 hours, 40,807 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 143A7501
- 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/ASAA2025111062796

## Discrepancy

FWD PIT TRANSITION PANEL RT SIDE HAS SPOTS OF CORROSION FROM BS 500A - 500D. GROUNDED - YES. REMOVED AND REPLACED FWD PIT TRANSITION PANEL IAW SRM 51-40-02-0G-0, W= 1" O= .040" R= .025" L= 1" D= .015".

---
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.