# SDR ASAA2019042529278

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2019
- Submitted: May 13, 2019
- Operation: Air carrier
- Aircraft: [N442AS](https://openairdocs.org/aircraft/N442AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43293
- Aircraft time: 21,604 hours, 7,078 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A750214
- Condition: Corroded
- Location: Fuselage
- 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/ASAA2019042529278

## Discrepancy

AFT CARGO COMPARTMENT R/H TRANSITION  PANEL HAS CORROSION STA.767 TO 9" AFT STA.7271 AS MARKED GROUNDED - YES. ROUND RT TRANSITIONAL PNL OUT OF LIMITS AFTER EVALUATION. ORIGINAL THICKNESS =.045" REMOVED .006" REMAINING =.039" ALLOWABLE = .041 AT STA 7271+9 STO STA 767. REMOVED & EVAL OF CORROSION IAW SRM 53-60-53-01-2. PANEL REMOVED IAW SRM 51-40-02. RECEIVED NAT. ID BAC 1496-377 7075-T62 CLAD ; PO 883991.2; LOT 135304B4 IAW DWG 146A8127. FABD PNL IAW SRM 53-0053-2R-6, ALOIDNED & PRIMED IAW SRM 51-20-01, SOPM 20-41-02. INSTALLED PNL IAW SRM 53-00-53-2R-6. CIC APPLIED IAW SRM 53-00-53-2R-6.

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