SDR CALA2026012713324

Service difficulty report · Channel · Boeing 737724

Difficulty date: January 22, 2026
Submitted: January 27, 2026
Operation: Air carrier
Aircraft: N14731
Make and model: Boeing 737724
Aircraft serial: 28799
Aircraft time: 81,665 hours, 30,075 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Part number: 146A7502
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

AFT CARGO LH ZEE CHANNEL AT BTWN BS 727C - 727D CORRODED AROUND TWO SCREW HOLES. R & R THE ZEE CHANNEL IAW AMM 51-21-41-370-802, SRM 53-00-53-2R-6, TABLE 201, ITEM 1, SRM 53-00-53-2R-6, 51-40-05-0G-0, 51-40-08-0G-0, AMM 51-21-41-370-802, AMM 51-21-72-370-804, SRM 51-40-02-0G-0, & SRM 51-20-01-0G-0.