SDR FDEA201004231299

Service difficulty report · Frame · Boeing 727227

Difficulty date: April 23, 2010
Submitted: April 29, 2010
Operation: Air carrier
Aircraft: N483FE
Make and model: Boeing 727227
Aircraft serial: 21465
Aircraft time: 43,547 hours, 29,672 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Part number: 53FX13501
Condition: Cracked
Location: Bs 540 S21-22l
Stage of operation: IN
How discovered: 9
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

LOWER STUB FRAME EXTENSIONS, BS 540 STR 21L - 22L, CRACK ON RADIUS CUT OUT. REMOVED STUB FRAME AT BS 540 BETWEEN STRINGERS 21L - 22L IAW B727 SRM 51-30-2, REV 102. FORMED STUB FRAME USING 7075-0, .063" X 16" X 6", PO NO. 9009327 IAW B727 SRM 51-20- 1 FIG 7 AND FED EX DWG 53FX1350. HEAT TREAT FROM 7075-0 TO 7075 T-6 IAW FAS ENGINEERING REPORT NO. 2-37153-801 REV. A. TREAT AND PRIMED IAW B727 SRM 51-10-2. INSTALLED NEW STUB FRAME IAW B727 SRM 51-30-2.