SDR TSAA9653006

Service difficulty report · Sill · Boeing 737297

Difficulty date: March 18, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N723AL
Make and model: Boeing 737297
Aircraft serial: 21739
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Sill
Condition: Cracked
Location: Bs 360
Stage of operation: IN
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 SCHEDULED INSPECTION OF FORWARD AIRSTAIR DOORWAY SILL BS 351.2 AND BS 360 BODY FRAME INSPECTION (ECO 1391 R2), A CRACK WAS FOUND AT BS 360 BETWEEN STR 20L AND STR 21L. VERIFIED CRACK WITH HFEC AND DYE PENETRANT. STOP DRILLED CRACK AT BS 360. REPAIRED PER ECO 1380 R1 AND DRAWING 65C23267. AIRCRAFT RETURNED TO SERVICE. TAC: 63,805. TAT: 32,329.57 HRS. (X)