SDR DL72K990333

Service difficulty report · Vent Box · Boeing 727232

Difficulty date: February 19, 1999
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N417DA
Make and model: Boeing 727232
Aircraft serial: 21259
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Vent Box
Condition: Cracked
Location: Bs 686.5
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

FWD VENT BOX CRACKED AT AFT EAR TO RIB STA 686.5 ATTACH PT. CUT OUT ACCESS HOLE PER MM 57-13-0, FIG 803. DRILLED AFT AND FWD ANGLE ASSY AND RADIUS FILLER. HFEC CRACK, FOUND CRACK, RUNS FROM BOLT HOLE AFT AND OUTWARD TO EDGE OF FLANGE. DRILLED RADIUS FILLERS PER MM 57-13-0, DRILLED ACCESS COVER. INSTALLED RADIUS FILLERS, FWD ANGLE AND COVER ASSY PER MM 57-13-0 804.