Service difficulty report · Skin · Boeing 737990ER

Difficulty date
February 17, 2025
Submitted
March 13, 2025
Operation
Air carrier
Aircraft
N248AK
Make and model
Boeing 737990ER
Aircraft serial
62469
Aircraft time
28,763 hours, 9,303 cycles
Part
Skin
Part number
146A3131
Condition
Dented
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

BS.727F+12 STR.7L TO STR. 8L EXTERIOR SKIN HAS DENT. GROUNDED - YES. EVALUATED DENT IAW B737-900 SRM 53-00-01 FOUND TO BE OUT OF LIMITS. PERFORMED REPAIR 35 IAW B737-900 SRM 53-00-01-2R-35. . REPAIR IS CAT B, INSPECTION THRESHOLD IS 50,000 FLIGHT CYCLES AFTER THE THRESHOLD IS MET PERFORM AN EXTERNAL LFEC AT 5,000 FLIGHT CYCLES AND AN INTERNAL HFEC AT 11,000 FLIGHT CYCLES.