What was found
APU FIREWALL PANEL 351BZ UPPER FLANGE IS CRACKED 0.500" & LOWER FLANGE IS CRACKED 0.300". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS 527268-317 IAW ETD 2012-170-011100 AND EA E175-53-285 REV IR.
- Difficulty date
- August 13, 2012
- Submitted
- August 15, 2012
- Operation
- Air carrier
- Aircraft
- N631CZ
- Make and model
- Emb ERJ170200LR
- Aircraft serial
- 17000239
- Aircraft time
- 10,975 hours, 6,423 cycles
- System (JASC)
- 5412 · Nacelle/Pylon, Bulkhead/Firewall
- Part
- Firewall
- Part number
- 17050263401
- Condition
- Cracked
- Location
- Apu Bay
- Part time
- 10,975 hours, 6,423 cycles
- 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.