SDR CALA2016062700385

Service difficulty report · Firewall · Boeing 75733N

Difficulty date: June 24, 2016
Submitted: June 27, 2016
Operation: Air carrier
Aircraft: N57863
Make and model: Boeing 75733N
Aircraft serial: 32587
Aircraft time: 50,121 hours, 15,093 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Firewall
Part number: 148N8402
Condition: Gouged
Location: Fuselage
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

FWD APU FIREWALL AT STA 1885.2 HAS SMALL GOUGE, CENTER LOWER AREA. REMOVED GOUGE, CUTOUT, ON FWD APU FIREWALL AT STA 1885.2 LOWER CENTER AREA, REF SRM 51-10-02, PERFORMED UT THICKNESS INSP. FOUND OUT OF LIMITS, REF SRM 53-80-08. FABRICATED AND AMP; INSTALLED DOUBLER REPAIR REF0 SRM 50-80-08, FIG 201, REPAIR 2 .

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