# SDR CALA2015091694363

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2015
- Submitted: September 16, 2015
- Operation: Air carrier
- Aircraft: N127UA
- Make and model: Boeing 747422
- Aircraft serial: 28813
- Aircraft time: 63,651 hours, 7,255 cycles
- Engine: Pwa PW4056
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- 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/CALA2015091694363

## Discrepancy

LEFT SIDE FUSELAGE SKIN, AT THE WASTE SYS OVERBOARD VENT HOLE BS 2090, BETWEEN STRINGER 35 - 36 FOUND CORROSION.  REPAIRED IAW ECRA 5330-05356.

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