# SDR CALA0800885

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2008
- Submitted: September 22, 2008
- Operation: Air carrier
- Aircraft: N76355
- Make and model: Boeing 7373T0
- Aircraft serial: 23593
- Aircraft time: 60,149 hours, 30,998 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Stiffener
- Part number: 6546568U551
- Condition: Damaged
- Location: Fuselage
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA0800885

## Discrepancy

STIFFENER ON AFT PRESS BULKHEAD JUST O/B OF APU BLEED DUCT HAS OVERHEAT DAMAGE FROM FLOOR LEVEL DOWN TO Y-CORD.  REMOVED STIFFENER FROM AFT PRESSURE BULKHEAD JUST OUTBOARD OF APU BLEED DUCT AND INSTALLED NEW STIFFENER PER 13-737-300 SRM 51-40-02.

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