# SDR FY4Y201202172

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2012
- Submitted: February 17, 2012
- Operation: Air carrier
- Filed by: [Air Asia Co. Ltd., repair station FY4Y197M](https://openairdocs.org/faa-repair-station/FY4Y197M/air-asia-co-ltd.md) (OpenAirDocs)
- Aircraft: N86425
- Make and model: Boeing 727212
- Aircraft serial: 21459
- Aircraft time: 67,847 hours, 39,952 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Spar
- Part number: 651687640
- Condition: Corroded
- Location: Horizontal Stab
- Part time: 67,847 hours, 39,952 cycles
- 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/FY4Y201202172

## Discrepancy

DURING PERFORMED 6C CHECK,   FOUND RT HORIZONTAL STABILIZER REAR SPAR LOWER CHORD CORRODED AT ELEV STA 173 PER SRM 55-10-01 FIG 1 SHEET 3 ITEM 4, PENETRATED DEPTH OUT OF LIMITS.  OPEN

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