# SDR FY4Y197M20110315D

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 11, 2011
- Submitted: March 15, 2011
- Operation: General aviation
- Filed by: [Air Asia Co. Ltd., repair station FY4Y197M](https://openairdocs.org/faa-repair-station/FY4Y197M/air-asia-co-ltd.md) (OpenAirDocs)
- Aircraft: [N705AA](https://openairdocs.org/aircraft/N705AA), registered now
- Make and model: Boeing 727223
- Aircraft serial: 22462
- Aircraft time: 63,036 hours, 30,069 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Beam
- Part number: 65248912
- Condition: Corroded
- Location: Horizontal Stab
- Part time: 63,036 hours, 30,069 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/FY4Y197M20110315D

## Discrepancy

RT HORIZONTAL STAB TRAILING LOWER BEAM SURFACE STA 220 TO 222 HAD EXFOLIATION CORROSION. ORIGINAL THICKNESS IS 0.105".  AFTER CORROSION REMOVED, THE REMAINED THICKNESS WAS 0.065", AREA WAS 2.75" X 1". IT'S BEYOND LIMITED IAW SRM 55-10-1, PAGE 1, NOTE B. CORROSION LEVEL WAS 2.

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