# SDR ASAA2023012441767

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2023
- Submitted: February 4, 2023
- Operation: Air carrier
- Aircraft: [N577AS](https://openairdocs.org/aircraft/N577AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35186
- Aircraft time: 56,797 hours, 16,816 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Support
- Part number: 143A948523
- Part serial: NOTREPORTED
- Condition: Corroded
- Location: Not Reported
- 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/ASAA2023012441767

## Discrepancy

FWD PIT, AFT BULKHEAD L/H LOWER SUPPORT IS CORRODED. GROUNDED - YES. EVAL'D FWD PIT, AFT BULKHEAD L/H LOWER SUPPORT, IS 100% MAT'LOSS OUT OF LIMITS IAW B737-800 SRM 53-30-08-1A-1, REMOVED OLD LOCATED AND DRILLED NEW AND INSTALLED NEW PN; 143A9488-23, PO:1047883.3 FWD IT AFT BULKHEAD L/H LOWER SUPPORT IAW B737-800 SRM 51-40-02 AND SRM 51-40-05.

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