SDR 96ZZZX1749

Service difficulty report · Floor Beam · Boeing 727225

Difficulty date: October 4, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N742DH
Make and model: Boeing 727225
Aircraft serial: 21290
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floor Beam
Condition: Corrosion
Location: Bs 1030
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, BS 1030 FLOOR BEAM CAP IS CORRODED AT LBL 9 FLOOR PANEL ATTACH HOLES. REMOVED DAMAGED AREA BS 1030 FLOOR BEAM CAP AT LBL 9 PER SRM 51-10-6 AND INSTALLED UPPER CHORD BEAM REPAIR PER SRM 53-10-8 P.18 FIG. 3. SIZE OF REPAIR 14 INCH BY 2 INCH BY 2 INCH CHORD BAC 1505-100617 PLUS 22120 7075-T73 SUPPORT ANGLE BAC 1490-2837 7075-T6. REINFORCEMENT STRAP BAC 1512-3396 AND BAC 1512-3353 7075-T6. TAT: 45,788.3 HRS. TAC: 29,959.