SDR FDEA201105282019

Service difficulty report · Firewall · Boeing 757232

Difficulty date: May 28, 2011
Submitted: June 8, 2011
Operation: Air carrier
Aircraft: N992FD
Make and model: Boeing 757232
Aircraft serial: 22912
Aircraft time: 74,746 hours, 36,427 cycles
Engine: Pwa PW2037
System (JASC): 4910 · APU Cowling/Containment
Part: Firewall
Condition: Gouged
Location: Apu Bay
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.

What was found

APU COMPARTMENT, FWD FIREWALL HAS GOUGES, 8" FROM BOTTOM EDGE OF WALL. FOUND GOUGE TO BE .003" DEEP, DETERMINED TO BE OUT OF LIMIT IAW SRM 53-80-01, FIG 101 DET IX PG 109, REPAIRED DAMAGE PER SRM 53-80-08, FIG 201, SHEET 1 PG 201. MAJOR REPAIR.