SDR SWAA2022031474952

Service difficulty report · Skin · Boeing 737*

Difficulty date: February 11, 2022
Submitted: March 14, 2022
Operation: Air carrier
Aircraft: N465WN
Make and model: Boeing 737*
Aircraft serial: 33829
Aircraft time: 59,870 hours, 35,575 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Skin
Condition: Damaged
Location: External Fuselag
Stage of operation: IN
How discovered: 9
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

EXTERNAL SKIN HAD A PREVIOUS BLEND AT BS 360+5' AND 5' BELOW STR 27L. HFEC INSPECTED DENTED AREA IAW NDT PART 6 51-00-00 PROCEDURE 23. NO CRACKS FOUND. EVALUATED PREVIOUS BLEND AT DISCREPANCY AREA L=1.9' W=0.8' ORIGINAL THICKNESS 0.063' MATERIAL REMAINING THICKNESS 0.053' MAX LOSS 0.010' FOUND TO BE OUT OF LIMITS PER SRM 53-00-01-1A-5 TABLE 101 AND FIGURE 102 DETAIL C. REWORK IS ACCEPTABLE AS A CONTINUE-IN-SERVICE CONDITION WITHOUT REPETITIVE INSPECTIONS AND NO TERMINATING ACTION REQUIREMENTS.