# SDR ASAA2018020923622

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2018
- Submitted: February 21, 2018
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 14,132 hours, 4,696 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Transition Panel
- Part number: 146A750253
- Condition: Corroded
- Location: Bs 727i-787
- 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/ASAA2018020923622

## Discrepancy

TRANSITION CHANNEL HAS SEVERAL SPOTS OF CORROSION BETWEEN BS 727I+8 - 787, RBL 21 AND 2 PUNCTURES AT BS 737, RBL 21. ACFT GROUNDED.   REMOVED CORROSION BETWEEN BS 727I+8 - 737, FOUND OUT OF LIMITS IAW SRM 53-00-53, FIG 103, DETAIL D.   REMOVED THE CHANNEL IAW SRM 53-00-53-2R-5.  FABRICATED A REPAIR IAW SRM 53-00-53-2R-5,  INSTALLED THE REPAIR IAW SRM 53-00-53-2R-5, DWG 146D7500, REV-.

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