# SDR UALA2012011900395

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2012
- Submitted: January 20, 2012
- Operation: Air carrier
- Aircraft: N421UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 500
- Aircraft time: 59,632 hours, 22,182 cycles
- Engine: Iae V2527A5
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Damaged
- Location: Fuselage
- 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/UALA2012011900395

## Discrepancy

TWO EXTERNAL SKIN DOUBLERS INSTALLED AT FR63 - 64 AT FORMER L-BAND ANTENNA LOCATIONS PER COA40795C AND SRM 53-00-11 FIG 238.  MAJOR REPAIR ACCOMPLISHED.  DOUBLERS INSTALLED PER JC 97954010 BY 396114 AND LC-09.  PER SRI 53-00-11 TABLE 219 DOUBLERS REQUIRE FIRST INITIAL RE-INSPECTION AT 48,000 CYC OR 84,000 HRS FROM REPAIR EMBODIMENT WITH SUBSEQUENT INSPECTIONS EVERY 3300 CYC OR 5775 HRS AFTER FIRST INSPECTION.  CURRENT PTC IS 22182.

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