# SDR ASAA2022031237766

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2022
- Submitted: March 30, 2022
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 33,605 hours, 10,697 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Angle
- Part number: 143A948523
- Part serial: NA
- Condition: Corroded
- 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/ASAA2022031237766

## Discrepancy

AFTER REMOVING THE FWD PIT AFT BULKHEAD PANEL 121EW THE LOWER BULKHEAD SUPPORT IS FOUND TO BE CORRODED. GROUNDED - YES. REMOVED AND RECEIVED SUPPORT ASSY ON DOUBLER PER B737-900ER SRM 51-40-02 AND BAC DWG 143A9481 REV -A.

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