# SDR CALA2018043001209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2018
- Submitted: April 30, 2018
- Operation: Air carrier
- Aircraft: [N29129](https://openairdocs.org/aircraft/N29129), registered now
- Make and model: Boeing 757224
- Aircraft serial: 28969
- Aircraft time: 79,825 hours, 17,873 cycles
- System (JASC): [5247 · Auxiliary Power Unit (APU) Doors](https://openairdocs.org/jasc/5247)
- Part: Skin
- Condition: Dented
- Location: Lt Apu Door
- 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/CALA2018043001209

## Discrepancy

LEFT APU DOOR EXTERIOR HAS THREE DENTS. BS 1925, 7.5 INCHES FROM UPPER EDGE,   A SMALL CRACK LOCATED IN THE DENT,  REPAIRED IAW SRM 52-40-01, ADS, FIG 101.

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