SDR DALA1123515521

Service difficulty report · Frame · Boeing 757251

Difficulty date: March 31, 2011
Submitted: April 1, 2011
Operation: Air carrier
Aircraft: N521US
Make and model: Boeing 757251
Aircraft serial: 23209
Aircraft time: 77,302 hours, 32,235 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Condition: Corroded
Location: Bs 1460 S29l/R
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

AFT CARGO COMPT FLOOR FRAME AT STA 1460 BILGE FROM S-29L- S-29R AS CORROSION. BLENDED CORRODED IAW SRM 53-00-07. OUT OF LIMITS IAW SRM 53-00-07, FIG 101. TRIMMED DAMAGED AREA IAW ER/A 490233-14, FIG 1. NO CRACKS, FABRICATED REPAIR PARTS IAW ER/A490233-14. INST REPAIR PARTS IAW ER/A 490233-14. C/W ER/A 490233-14 SECT I PERM REPAIR. SECT II REPAIR IS LIMITED TO 18 MONTHS SERVICE FROM 25 MAR 2011. REF LOG 0329926 RII.