Service difficulty report · Skin · Boeing 737900

Difficulty date
August 13, 2022
Submitted
August 16, 2022
Operation
Air carrier
Aircraft
N71411
Make and model
Boeing 737900
Aircraft serial
30128
Aircraft time
56,444 hours, 22,968 cycles
Part
Skin
Part number
182A400110
Condition
Interference
Location
Sta 92.70
Stage of operation
IN
How discovered
O
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

LH HORZ STAB LOWER SKIN REQUIRES CUTOUT FOR STA 92.70 VERTICAL RIB STIFFENER #1 CRACK REPAIR( N/R 000814111)AND N/R 000841437. THRESHOLD 56,000 FLIGHT CYCLES FOR A DETAIL VISUAL INSPECTION AN INSPECTIONS EVERY 9,000 FLIGHT CYCLES THERE AFTER SEE SRM 55-10- REF SRM 55-10-01-2R-11. SEE NON-ROUTINE 000841437 FOR ALL WORK A D EXTERNAL (LFEC) INSPECTION OF REPAIR DOUBLER. REPEAT 01-2R-11 REPAIR 11 PAGE 7 TABLE 204 FOR INSPECTION METHODS." CCOMPLISHED. CUT OUT SKIN ACCESS HOLES ONE ON EACH SIDE OF THE #1 RIB STIFFEN NER. INSTALLED REPAIR DOUBLER ISSUED DIP TO READ "INSPECTION REPAIR DOUBLER IS INSTALLED JUST AFT OF FWD SPAR.