Service difficulty report · Frame · Boeing 737230

Difficulty date
May 2, 2007
Submitted
May 4, 2007
Operation
Air carrier
Aircraft
N821AL
Make and model
Boeing 737230
Aircraft serial
23155
Aircraft time
45,243 hours, 66,578 cycles
Part
Frame
Part number
657374142
Condition
Cracked
Location
Bs188
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

DURING INSPECTION OF THE BS 178 WEB, CRACKS WERE DISCOVERED ON THE BS 188 FRAME AT WL 207 ON BOTH LEFT AND RIGHT SIDES. LEFT SIDE CRACK IS APPROX 1.75 INCHES LONG. RIGHT SIDE CRACK IS APPROX. 2 INCHES LONG. [SUP 05-10-07] INTERIM REPAIR PERFORMED PER ECO 3650 PART I. CRACKS WERE STOP DRILLED AT BS 188 WL 207 LEFT AND RIGHT SIDES. RE-INSPECTION PER ECO 3650 PART II IS REQUIRED EVERY TWO WEEKS FOR 150 DAYS OR WHEN AIRCRAFT IS FERRIED TO FINAL DESTINATION. PERMANENT REPAIR REQUIRED PER ECO 3650 PART III IF AIRCRAFT IS TO BE USED AFTER FINAL FERRY FLIGHT OR 09/08/2007. 8110-3 RECEIVED ON 05/03/2007