SDR CALA2013022200120

Service difficulty report · Frame · Boeing 737724

Difficulty date: February 21, 2013
Submitted: February 22, 2013
Operation: Air carrier
Aircraft: N23721
Make and model: Boeing 737724
Aircraft serial: 28940
Aircraft time: 47,402 hours, 15,754 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Cracked
Location: Bs 400
Stage of operation: IN
How discovered: 9
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

FUSELAGE FRAME AT STA 400, BETWEEN STRINGER 8L AND 9L SHOWS CRACK INDICATION AT INNER FASTENER OF AIR CONDITIONING OUTLET SUPPORT ATTACHMENT BRACKET. REF STEP 4 OF EA 5310-04716, REV D, OP 1 REPAIRED AS EA 5310-04716, REV D, OP 1 SEE FLEET CYCLE FOR ALL WORK PERFORMED..