SDR AALA202112062751

Service difficulty report · Transition Panel · Boeing 737*

Difficulty date: August 18, 2021
Submitted: December 6, 2021
Operation: Air carrier
Aircraft: N806NN
Make and model: Boeing 737*
Aircraft serial: 29561
Aircraft time: 35,630 hours, 14,536 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Transition Panel
Condition: Corroded
Location: Zone 100 - Fuse
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

AIRCRAFT IN BASE MAINTENANCE: CORROSION OF LH TRANSITION PANEL IN FWD CARGO COMPARTMENT BETWEEN STA 480+10 AND STA 500I AT LBL 27, MEASURING L=3.0 IN, W=3.0 IN, D=0.015 IN. REPLACED TRANSITION PANEL WITH NEW IAW AARD 51-00-05-01, DRAWING 143A7500, AND SRM 53-00-53-2R-5.