Service difficulty report · Skin · Boeing 737824

Difficulty date
June 1, 2025
Submitted
June 3, 2025
Operation
Air carrier
Aircraft
N78501
Make and model
Boeing 737824
Aircraft serial
31602
Aircraft time
57,233 hours, 21,580 cycles
Part
Skin
Part number
146A3231
Condition
Corroded
Location
Zone 100
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

EXT SKIN CORRODED AT THE AFT LWR CORNER OF THE LAVATORY WASTE PAN CUTOUT AT STA 867 BETWEEN STR 24L AND 25L. INTERIM REPAIR ACCOMPLISHED PER ECRA 5330-07536 PART 1. PER PART 2 NEED TO ACCOMPLISH A PERMANENT RPR TO THE SKIN AT STA 867 BEWTEEN S-24L AND S-25L IAW WITH PART 3 OF THE LATEST REVISION OF ECRA 5330- 07536 ON OR BEFORE MAY 31, 2027. CREATING DIP PER ECRA 5330-07536. WORK ACCOMPLISHED ON AAR RFD NR'S 1000037764 AND 1000037765. FORWARD LOWER SKIN AT STA 867/STR 25L INTERIM REPAIR PERFORMED IAW ECRA 5330-07563.