Service difficulty report · Transition Panel · Boeing 737890

Difficulty date
September 7, 2016
Submitted
September 19, 2016
Operation
Air carrier
Aircraft
N596AS
Make and model
Boeing 737890
Aircraft serial
35688
Aircraft time
31,964 hours, 9,776 cycles
Part
Transition Panel
Part number
146A750231
Condition
Corroded
Location
Fuselage
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

AFT CARGO COMPARTMENT LT TRANSITION PANEL HAS SEVERAL AREAS OF CORROSION FROM STA 727B TO STA 787. ACFT GROUNDED. BLENDED AREA IAW SRM 51-10-02. ORIGINAL MATERIAL THICKNESS .040 MATERIAL LOSS .008. REMAINING MATERIAL .032. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53. REMOVED TRANSITION PANEL FROM STA 727B-STA 787 IAW SRM 51-40-02. FABRICATED NEW TRANSITION PANEL AND REPAIR SPLICES IAW SRM 53-60-53-2R-5. ALODINED AND PRIMED IAW SRM 51-20-01. REINSTALLED TRANSITION PANEL IAW SRM 51-40-02.