# SDR UALA2012072303989

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2012
- Submitted: July 26, 2012
- Operation: Air carrier
- Aircraft: N548UA
- Make and model: Boeing 757222
- Aircraft serial: 25396
- Aircraft time: 77,872 hours, 22,532 cycles
- Engine: Pwa PW2037
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Condition: Corroded
- Location: Bs 1400, S28-29l
- 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/UALA2012072303989

## Discrepancy

AFT PIT BILGE FRAME TO SKIN SHEAR TIE CORRODED. BS1400, STR28L-STR29L.  SUPPLEMENTAL DATA UPDATE, REMOVED SHEAR TIE, REMOVED CORROSION AND REMAINING MATERIAL AFTER CLEAN-UP WITHIN LIMITS OF SRM 53-00-07 AND DWG 146N1011, AND REINSTALLED SHEAR TIE.  MAJOR REPAIR

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