SDR ASAA2015093013533

Service difficulty report · Frame · Boeing 737490

Difficulty date: September 30, 2015
Submitted: October 29, 2015
Operation: Air carrier
Aircraft: N703AS
Make and model: Boeing 737490
Aircraft serial: 28893
Aircraft time: 53,972 hours, 30,578 cycles
System (JASC): 5311 · Fuselage Main, Frame
Part: Frame
Part number: 655287527
Condition: Corroded
Location: Bs 992
Stage of operation: IN
How discovered: V
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

FRAME AT BS 992 HAS AREAS OF CORRODED JUST ABOVE L2 MOPSILL. ACFT GROUNDED. REPAIRED FRAME IAW EA 400 53EA, 15969. THIS IS A CAT B REPAIR WITH TRACKING IAW 400, 53DTI, 15970. INSPECTION THRESHOLD OF 66,000 FLT CYCLES, CURRENT FLT CYCLES AT TIME OF REPAIR IS 30,578, W 1", O .071", R .051", L 5", D .020".