# SDR CALA2013102992473

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2013
- Submitted: November 1, 2013
- Operation: Air carrier
- Aircraft: [N780UA](https://openairdocs.org/aircraft/N780UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26944
- Aircraft time: 70,821 hours, 12,334 cycles
- Engine: Pwa PW4077
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Angle
- Condition: Sheared
- Location: Cabin Air Duct
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013102992473

## Discrepancy

UNUSUALLY LOUD CABIN NOISE NEAR ROW 10.  RT CNTR AIR DUCT SUPPORT BRACKETS ARE SHEARED, AIR DUCT IS SAGGING DOWN.  REMOVED CEILING PANELS & AIR LOUVERS FROM RT ROW 9 THROUGH 10.  REMOVED RT CURTAIN & TRACK, REMOVED PLENUM ASSEMBLY IAW 214W2124-16. REPLACED DAMAGED SUPPORT ANGLES.

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