# SDR ASAA2026040865805

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2026
- Submitted: May 5, 2026
- Operation: Air carrier
- Aircraft: [N528AS](https://openairdocs.org/aircraft/N528AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35695
- Aircraft time: 56,209 hours, 19,080 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 143A7501187
- 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/ASAA2026040865805

## Discrepancy

FWD CARGO LH SIDE TRANSITION PANEL STA 500G+10 TO 500I IS CORRODED. GROUNDED - YES. REMOVED THE CORROSION FROM THE FWD PIT L/H TRANSITION PANEL AT STA 500G+10 TO 500I IAW B737-800 SRM 53-00-53-1A-2.2.D. ORIG THICKNESS IS .040" IAW B737-800 SRM 53-30-53-01-2 TABLE 2. REMOVED .012",REMAINING THICKNESS IS .028" AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2.4.A(2). REPAIRED FWD CARGO L/H TRANSITION PANEL STA 500G+10 TO 500I USING PN: BAC1496-444 7075-T6 PO: 1140724.1 IAW B737-800 SRM 53-00-53 AND BOEING SOPM 20-41-02.

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