Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date
June 30, 2018
Submitted
July 12, 2018
Operation
Air carrier
Aircraft
N419AS
Make and model
Boeing 737990ER
Aircraft serial
41734
Aircraft time
21,076 hours, 6,942 cycles
Part
Transition Panel
Part number
146A750235
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 COMPT LT SIDE TRANSITION PANEL HAS CORROSION NUMEROUS PLACES BETWEEN BS727F AND BS727I+10. GROUNDED - YES. BLENDED CORROSION FROM ZEE CHANNEL LT SIDE FROM BS 727F TO 727I+10. FROM BS727H TO 727I+10 ORG MAT .040, .006 REMOVED .034 REMAINS, FOUND TO BE OUT OF LIMITS. ACCOMPLISHED SRM 53-00-53 REPAIR 5 ON BS727H TO BS727I+10, ALODINE AND PRIMED REMAINING BLENDOUTS PER SRM 51-20-01, MARKED BLENDOUT AREAS PER AMM 51-05-01.