What was found
PRESSURIZATION LOSS, RTFL LEFT SECONDARY HEAT EXCHANGER HAS RUPTURED. REPLACED RUPTURED HEAT EXCHANGER ON LEFT PACK AND DAMAGED CONDITIONED AIR DUCT & COUPLING BOOT ON RT PACK REPAIR ACCOMPLISHED.
- Difficulty date
- March 16, 2012
- Submitted
- March 19, 2012
- Operation
- Air carrier
- Aircraft
- N575UA
- Make and model
- Boeing 757222
- Aircraft serial
- 26689
- Aircraft time
- 63,041 hours, 23,377 cycles
- Engine
- Pwa PW2037
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Heat Exchanger
- Part number
- 1942704
- Part serial
- 245
- Condition
- Ruptured
- Location
- Ac Bay
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- S
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.