# SDR UALA2011122107012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2011
- Submitted: December 22, 2011
- Operation: Air carrier
- Aircraft: [N643UA](https://openairdocs.org/aircraft/N643UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25093
- Aircraft time: 88,342 hours, 14,077 cycles
- Engine: Pwa PW4060
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Structure
- Condition: Cracked
- Location: Nr 2 Nacelle
- 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/UALA2011122107012

## Discrepancy

INBD AND OTBD DRAIN HOLES CRACKED NR 2 PYLON AT NAC STA 156 AREA HAS BEEN PREVIOUSLY REPAIRED PER SRM ON PEMCO NR 3363N00937.  ACP INSP AND PART MARKED PREV.  RPR'D AREA PER PEMCO EA PD67-54-008 AND ECRA 5450-01910 ON NR 3363N00937.  THIS IS AN APPROVED CAT B REPAIR WITH AN INSP THRESHOLD OF 50,000 PTC, WITH REPETITIVE INSPECTIONS EVERY 12,000 CYCLES THEREAFTER.  **  MF8466 CREATED TO MONITOR  **

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