SDR 96ZZZM471

Service difficulty report · Floor Web · Boeing 72729

Difficulty date: September 16, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N712DH
Make and model: Boeing 72729
Aircraft serial: 19401
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Web
Condition: Crack
Location: Fs 1176.9-1183
Part time: 45,184 hours
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 C-CHECK, FOUND AFT CABIN, CURVED FLOOR WEB BETWEEN FS 1176.9 CHORD AND FS 1183 BULKHEAD IS CRACKED AROUND LIGHTENING HOLE AT LBL 60. INSTALLED DOUBLER CRACKED FLOOR WEB BETWEEN FS 1176.9 CHORD AND FS 1183 PER SRM 51-40-2, 5 INCHES BY 6 INCHES 2024-T3 .032 INCH.

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