Service difficulty report · Transition Panel · Boeing 737990ER

Difficulty date
June 5, 2022
Submitted
June 21, 2022
Operation
Air carrier
Aircraft
N263AK
Make and model
Boeing 737990ER
Aircraft serial
62471
Aircraft time
20,300 hours, 6,711 cycles
Part
Transition Panel
Part number
146A750253
Part serial
UNK
Condition
Corroded
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 FLOOR TO SIDEWALL TRANSITION PANEL - FRAME STA. RIGHT 767-727J SMALL AREAS AROUND FASTENER HOLES & ON FLAT AREAS - HAVE SURFACE CORROSION. GROUNDED - YES. REMOVED CORROSION @ STA 727K+12 - 727L+8 ORIG. THICKNESS = .040" REMOVED = .011" REMAINING = .029" FOUND TO BE OUT OF LIMITS IAW B737-900ER SRM 51-10-02 & SRM 53-00-53-1A-2. REMOVED DAMAGE, FAB'D REPAIR PARTS, LOCATED & DRILLED REPAIR PARTS & INSTALLED REPAIR PARTS IAW B737-900ER SRM 53-00-53-2R-15, SRM 53-60-53-01-2, SRM 51-40-05, AMM 51-21-41 & AMM 51-21-72.