# SDR ASAA2021070635434

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2021
- Submitted: July 26, 2021
- Operation: Air carrier
- Aircraft: [N492AS](https://openairdocs.org/aircraft/N492AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 44110
- Aircraft time: 20,808 hours, 6,661 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A750237
- Condition: Corroded
- Location: Bs 727c-847
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021070635434

## Discrepancy

AFT CARGO PIT L/H TRANS PNL STA 727C TO STA 847 UPPER AND LOWER CORRODED. GROUNDED - YES. REMOVED CORROSION FOUND TO BE OUT OF LIMITS IAW B737-900 ER SRM 53-00-53-1A-2 FIG 103, FABRICATED REPAIR PARTS IAW B737-900ER SRN 53-00-53-2R-5 PARA 4L AND INSTALLED REPAIR PARTS AND TRANSITION PANEL IAW B737-900ER SRM 53-00-53-2R4-5. W=.5 O=.040 R=.017 L=1.8 D=.023.

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