SDR AALA201602289007

Service difficulty report · Pcu · Boeing 7572B7

Difficulty date: February 25, 2016
Submitted: February 29, 2016
Operation: Air carrier
Aircraft: N941UW
Make and model: Boeing 7572B7
Aircraft serial: 27806
Aircraft time: 69,341 hours, 25,451 cycles
System (JASC): 2520 · Passenger Compartment Equipment
Part: Pcu
Condition: Defective
Location: Cabin
Stage of operation: NR
How discovered: O
Nature of condition: B
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GNDED. BURNING & ACRID ELEC NEAR ROWS 21 - 23, BOTH SIDES OF CABIN. ACCOMPLISHED JC 757 TROUBLESHOOTING CABIN AIR QUALITY IAW JC 19L00021001 & FOUND PCU'S BROKEN AT 15F, 16B, 20F, 21D, 23AB, & 24AB WHICH WERE CORRECTED BY REPLACING THE DEFECTIVE PCU'S IAW AMM 25-25-00.

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