SDR CALA2026092819953

Service difficulty report · Window Frame · Boeing 737724

Difficulty date: September 27, 2026
Submitted: September 29, 2026
Operation: Air carrier
Aircraft: N16703
Make and model: Boeing 737724
Aircraft serial: 28764
Aircraft time: 85,798 hours, 31,915 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Window Frame
Part number: 143A41003
Condition: Damaged
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

POSSIBLE LIGHTNING STRIKE ON EXTERNAL FUSELAGE SKIN BTW BS 500 - 500A, STR 13L. R & R WINDOW FRAME BTW BS 500 TO 500A, S11L - 13L IAW SRM 51-40-02-0G-0, STEP 4 & DWG 143A3150, REV-. CABIN PRESSURE LEAK TEST IAW AMM 56-21-00-400-801, STEP 3.D.(7) NO LEAK DETECTED.