# SDR ASAA2022070139241

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2022
- Submitted: July 29, 2022
- Operation: Air carrier
- Aircraft: [N562AS](https://openairdocs.org/aircraft/N562AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35091
- Aircraft time: 58,050 hours, 17,117 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Intercostal
- Part number: 147A56603
- Condition: Corroded
- 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/ASAA2022070139241

## Discrepancy

MAIN CABIN FLOOR AT STA 947 TO STA 967, LBL25, INTERCASTAL HAS CORROSION AT FASTENER HOLE.DOT: N090 GROUNDED - YES. REMOVED CORROSION FROM INTERCOSTAL @ STA967 TO ST967 LBL 25. ORIGINAL THICKNESS .090", REMAINING .075 LOSS OF .015 FOUND OUT OF LIMITS IAW B737 SRM 53-70-51. REMOVED INTERCOSTAL @ STA947 TO STA967 LBL25. INSTALLED NEW INTERCOSTAL @ STA947 TO STA967 LBL25. PART # 147A5660U3 LOT# 3059101. IAW B737-800 PER DWG # 147A5650.DOT N090 REMOVED.

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