# SDR ASAA2026040865640

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2026
- Submitted: April 23, 2026
- Operation: Air carrier
- Aircraft: [N528AS](https://openairdocs.org/aircraft/N528AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35695
- Aircraft time: 52,609 hours, 19,080 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Channel
- Part number: 146A750231
- 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/ASAA2026040865640

## Discrepancy

MULTIPLE SPOTS OF CORROSION ON THE LEFT HAND TRANSITION STRAP IN THE AFT CARGO PIT BETWEEN STATIONS 787 AND THE FORWARD BULKHEAD. GROUNDED - YES. REMOVED CORROSION FROM THE L/H AFT PIT TRANSITION PANEL AT STA 787 TO FWD BULKHEAD IAW B737-800 SRM 53-00-53-1A-2.2.D. 100% MATERIAL LOSS IN MULTIPLE SECTIONS THROUGHOUT AND IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2.4.A.(2). REPAIRED AFT PIT L/H TRANSITION PANEL FROM STA 797 TO STA 727 IAW B737-800 SRM 53-00-53-2R-5.

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