SDR 96ZZZX1298

Service difficulty report · Floor Beams · Boeing 72722C

Difficulty date: March 9, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N705DH
Make and model: Boeing 72722C
Aircraft serial: 19191
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floor Beams
Condition: Corrosion
Location: Bs 400-480
Part time: 53,881 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 D-CHECK, LIGHT CORROSION CABIN FLOOR BEAMS, STA 480 AND STA 400, AND SEAT TRACK LIPS. CUT OUT DAMAGED AREA, BS 400, LBL 27, AND REPAIR PER SRM 51-40-4 7075-T6.063, 12 INCH LONG DOUBLER INSTALLED. REMOVED LIGHT CORROSION, BS 400 TO BS 480 PER SRM 51-10-6 MAT. LOSS .003 INCH. TREATED AND PRIMED PER SRM 51-10-2. TAT: 53,881.4. TAC: 36,380.

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