# SDR UPS04243236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2004
- Submitted: October 4, 2004
- Operation: Air carrier
- Aircraft: N938UP
- Make and model: Boeing 727173C
- Aircraft serial: 19506
- Aircraft time: 53,145 hours, 34,107 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Door
- Condition: Cracked
- Location: Tail Skid
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04243236

## Discrepancy

INSPECTION TYPE:C, SUSPECT CRACK AT ATTACH LUG OF TAIL SKID DOOR AND STRUT.  HFEC CARRIED OUT IAW NDT MANUAL 51-00-00.  RESULT - CRACK CONFIRMED.  INSTALLED NEW TAIL SKID DOOR IAW MM 32-71-61.  TAIL SKID TESTED SATISFACTORY IAW MM 32-71-01.

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