Service difficulty report · Skin · Boeing 737990ER

Difficulty date
December 10, 2024
Submitted
January 8, 2025
Operation
Air carrier
Aircraft
N236AK
Make and model
Boeing 737990ER
Aircraft serial
36351
Aircraft time
30,399 hours, 9,890 cycles
Part
Skin
Part number
113A370027
Part serial
005034
Condition
Delaminated
Location
Zone 500 Flap
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

L/H OUTBOARD AFT FLAP LOWER SKIN HAS A 10"X12" AREA OF DISBOND LOCATED AT INBOARD CORNER. GROUNDED - YES. REMOVED 10"X12" AREA OF DAMAGED SKIN LH OUTBD AFT FLAP LWR SKIN & REPAIRED IAW B737-900ER SRM 57-53-01-2R-16 & B737-900ER SRM 51-70-10-2R-0. RESTORED FINISH IAW B737-900ER AMM 51-21-99/701. CAT B REPAIR REINSPECT EVERY 6875 CYCLES