# SDR ASAA2023071344240

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2023
- Submitted: July 26, 2023
- Operation: Air carrier
- Aircraft: [N588AS](https://openairdocs.org/aircraft/N588AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35685
- Aircraft time: 55,430 hours, 16,491 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 143A7501187
- Part serial: UNK
- 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/ASAA2023071344240

## Discrepancy

FWD PIT L/H TRANSITION PANEL STA:500H+12 TO 500I HAS CORROSION. GROUNDED - YES. EVALUATED DAMAGE ON FWD PIT L/H TRANSITION PANEL @ 500HH+12 TO 500I, ORIG. THICKNESS: .040" IAW B737-800 SRM 53-30-53-0I-2. REMOVED MAT:.005". REMAIN: .035" & IS FOUND TO BE OUT OF LIMITS IAW B737-800 SRM 53-00-53-1A-2.4.A.(2). REMOVED AND REPLACED FWD PIT L/H TRANSITION PANEL STA500_12 TO 500I IAW B737-800 SRM 53-00-53-2R-5.

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