Service difficulty report · Skin · Boeing 737832

Difficulty date
September 22, 2025
Submitted
September 23, 2025
Operation
Air carrier
Aircraft
N3742C
Make and model
Boeing 737832
Aircraft serial
30835
Aircraft time
76,452 hours, 30,599 cycles
Part
Skin
Condition
Mechanic Error
Location
Zone 200
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING THE LOCATION AND DRILLING OF SKIN P/N 141A3521Y33, 12 HOLES WERE MISDRILLED ON THE SKIN @ RBL 17 AND BS 178 - 188. TRIMMED OUT MINIMAL AMOUNT OF MATERIAL ONLY TO REMOVE MISDRILLED HOLES PER STEP 3 PN 628289-14 REV 0. REMOVED THE NECESSARY NUMBER OF FASTENER IN THE WITHIN THE REPAIR AREA. PERFORMED HFEC PER STEP 8 AND 9 OF PRI 628289-14 REV 1. FABRICATED REPAIR PARTS PER PRI 628289-14 REV 1. TREATED AND PRIMED AND INSTALLED PER PRI 628289-14 REV 1. INSTALLED REPAIR PER PRI 628289-14 REV 1. APPLIED TOP COAT PER DAL PS 900-3-6 #36. COMPLIED WITH ER/A 628289-14 REVISION ORIGINAL. COMPLIED WITH PRI'S 628289-14 REV 0, 1, AND 2. ALL STEPS MATCH, ALL RII STEPS COMPLIED WITH.