# SDR ASAA2021080625629

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2021
- Submitted: August 6, 2021
- Operation: Air carrier
- Aircraft: [N585AS](https://openairdocs.org/aircraft/N585AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35683
- Aircraft time: 51,011 hours, 15,277 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A750234
- Condition: Corroded
- Location: Bs 727d-767
- 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/ASAA2021080625629

## Discrepancy

TRANSITION PANEL AT STA 727D+4 TO STA 767 HAS CORROSION ON RH OUTTER EDGES IN SEVERAL PLACES. GROUNDED - YES. REPAIRED THE R/H TRANSITION PANEL AT STA 727D+4 TO 767 USING MAT BAC1496-377 PER B737-800 SRM 53-00-53-2R-5. REMOVED CORROSION FROM THE R/H TRANSITION PANEL FROM STA 727D+4 TO 767 PER B737-800 SRM 53-00-53-1A-2.2.D. ORIG THICKNESS IS .040 PER B737-800 SRM 53-60-53-0I-2 TABLE 2. 100% MAT LOSS IN 3 LOCATIONS AND IS FOUND TO BE OUT OF LIMITS PER B737-800 SRM 53-00-53-1A-2.

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