SDR ASAA2015103113700

Service difficulty report · Transition Panel · Boeing 737790

Difficulty date: October 31, 2015
Submitted: November 12, 2015
Operation: Air carrier
Aircraft: N615AS
Make and model: Boeing 737790
Aircraft serial: 30344
Aircraft time: 53,277 hours, 24,015 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Transition Panel
Part number: 143A7501
Condition: Corroded
Location: Bs 500b-500d
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

FWD CARGO BAY LT SIDE TRANSITION PANEL CORRODED FROM LT BS 500B TO FWD PIT AFT BULKHEAD. ACFT GROUNDED. REMOVED CORROSION IAW SRM 51-10-02, WITHIN LIMITS IAW SRM 53-00-53, FIG 103. ORIGINAL THICKNESS 0.040 WITH 0.038, REMAINING 0.002 MATERIAL REMOVED MEASURED WITH UT GAUGE T8225P, ALODINED AND PRIMED IAW SRM 51-20-01.