What was found
LH PACK PRIMARY HEAT EXCHANGER WITH A 5" LONG HEAVILY BLOWING AIR WITH PACK ON. UPDATE HEAVY NOISE FOUND AFTER TOWING AND ARRIVAL TO THE GATE. REPLACED PRIMARY HEAT EXCHANGER AND PLENUM ASSY PER MM.
- Difficulty date
- March 2, 2011
- Submitted
- March 17, 2011
- Operation
- Air carrier
- Aircraft
- N656UA
- Make and model
- Boeing 767322
- Aircraft serial
- 25394
- Aircraft time
- 77,009 hours, 12,376 cycles
- Engine
- Pwa PW4060
- System (JASC)
- 2150 · Cabin Cooling System
- Part
- Heat Exchanger
- Part number
- 1942704
- Part serial
- 23
- Condition
- Cracked
- Location
- A/C Pack
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.