# SDR ASAA2023110446460

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 4, 2023
- Submitted: December 1, 2023
- Operation: Air carrier
- Aircraft: [N285AK](https://openairdocs.org/aircraft/N285AK), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 60577
- Aircraft time: 19,920 hours, 6,336 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A750237
- Part serial: NA
- Condition: Corroded
- Location: Unknown
- 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/ASAA2023110446460

## Discrepancy

AFT CARGO LH TRANSION HAS COROSION FROM FS 727 TO FS 767. GROUNDED - YES. BLENDED CORROSION, FOUND TO BE OUT OF LIMITS IAW B737-900 SRM 53-00-53-1A-2. REPAIRED TRANSITION IAW B737-900 SRM 53-00-53-2R-6.W= 1.5 O= .040 R= 0.00 L= 4.5" D= .040.

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