SDR DALA1221506304

Service difficulty report · Frame · Boeing 747451

Difficulty date: April 2, 2012
Submitted: April 10, 2012
Operation: Air carrier
Aircraft: N664US
Make and model: Boeing 747451
Aircraft serial: 23819
Aircraft time: 94,936 hours, 11,946 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Cracked
Location: Bs 1255
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

STA 1255, BETWEEN S4R TO S5R FOUND ONE FRAME WEB CRACK. CRACKED WEB AT CABIN STA 1255 BETWEEN S4R TO S5R AREA REMOVED AS PER SRM 51-40-02 NEW WEB FABRICATED AS PER DWG 65B04913 REV E. NEW WEB AT STA 1255 BETWEEN S-4R TO S-5R AREA INSTALLED AS PER SRM 51-40-02.