# SDR CALA2015080794182

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2015
- Submitted: August 7, 2015
- Operation: Air carrier
- Aircraft: N590UA
- Make and model: Boeing 757222
- Aircraft serial: 28708
- Aircraft time: 67,510 hours, 18,287 cycles
- Engine: Pwa PW2037
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Cusp Web
- 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/CALA2015080794182

## Discrepancy

MAIN CABIN CORROSION ON WEB CUSP STATION 1180, STRINGER 17R.  FABRICATED & INSTALLED NEW CUSP WEB IAW SRM 53-40-13 PG 3 FIG 1 SH 3 OF 4.  PN 144N5210-4 FABRICATED FROM 7075-0, .063, HEAT TREAT TO 7075 T6.  INSTALLED IAW SRM 51-40 -02.

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