Service difficulty report · Structure · Boeing 737724

Difficulty date
September 10, 2025
Submitted
September 11, 2025
Operation
Air carrier
Aircraft
N13720
Make and model
Boeing 737724
Aircraft serial
28939
Aircraft time
81,351 hours, 28,707 cycles
Part
Structure
Part number
147A85401
Condition
Corroded
Location
Zone 200
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 WET AREA L2, DOOR CHORD IS CORRODED IN MULTIPLE AREAS FROM APPROX. STA. 897 TO STA. 1000 REFERENCE BAM NON-ROUTINE # 2876125 FOR ALL WORK ACCOMPLISHED IN REMOVAL AND REPLACEMENT OF L1 DOOR LOWER CHORD. CORRECTING , IT SHOULD BE L2 NOT L1, REST HAS BEEN VERIFIED REFERENCE BAM NON-ROUTINE # 2876125 FOR ALL WORK ACCOMPLISHED IN REMOVAL AND REPLACEMENT OF L1 DOOR LOWER CHORD.