# SDR UALA2011080504078

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2011
- Submitted: September 6, 2011
- Operation: Air carrier
- Aircraft: N178UA
- Make and model: Boeing 747422
- Aircraft serial: 24385
- Aircraft time: 87,438 hours, 10,619 cycles
- Engine: Pwa PW4056
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Part number: 141U112513
- 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/UALA2011080504078

## Discrepancy

FOUND UPPER TCAS ANTENNA DOUBLER CORRODED.  RMV'D DBLR ORDERED DOUBLER RPR KIT, 141U1125-13 ON M1805, STERLING DEL FROM BACO SEA ETA 1000. CONT ADS-B WIRICOA. *DOR* ARV: 04-1025 PRI-O/CUR-P  SPFLT: OSTFS: 1 EST=02 RTG: 863-07 2250 SYD DF/CF: 0/1  EWAS:1800-05 CHG:1602-04

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